Question
Solve for x.
4x + 7 = 23
- x = 16
- x = 4
- x = 9
- x = 12
Hint:
Use two step process to solve
First step be subtraction
And second step be division .
The correct answer is: x = 4
Given 4x + 7 = 23
Solving using two step process .
Step 1 : Subtract 7 from each side.
4x + 7 - 7 = 23 – 7
4x = 16
Step 2 : after that divide both side by 4
4x/4 = 16/4
x = 4
So , x= 4 is the answer .
First step be either addition / subtraction
if +ve sign is there in lhs with the number then subtract this number to both sides .
if -ve sign is there in lhs with number then add this number to both side
And second step be division or multiplication ,
After the above process if lhs variable is in multiply , divide the number to both sides .
After the above process if lhs variable is in divide multiply the number to both sides
Related Questions to study
James earned a total of $900 last week. This total was $10 less than five times the amount he earned last week. Find the amount of money James earned last week.
In this question, we have to write the equation. Here less than is given that means subtraction. If subtract, subtract from, difference , between, less, less than, exceeds , etc words are used then it is always subtraction between two numbers.
James earned a total of $900 last week. This total was $10 less than five times the amount he earned last week. Find the amount of money James earned last week.
In this question, we have to write the equation. Here less than is given that means subtraction. If subtract, subtract from, difference , between, less, less than, exceeds , etc words are used then it is always subtraction between two numbers.
2n + 10 = -2.
First step be either addition / subtraction
if +ve sign is there in lhs with the number then subtract this number to both sides .
if -ve sign is there in lhs with number then add this number to both side
And second step be division or multiplication ,
After the above process if lhs variable is in multiply , divide the number to both sides .
After the above process if lhs variable is in divide multiply the number to both sides .
2n + 10 = -2.
First step be either addition / subtraction
if +ve sign is there in lhs with the number then subtract this number to both sides .
if -ve sign is there in lhs with number then add this number to both side
And second step be division or multiplication ,
After the above process if lhs variable is in multiply , divide the number to both sides .
After the above process if lhs variable is in divide multiply the number to both sides .
-15 = -4y + 5.
First step be either addition / subtraction
if +ve sign is there in variable side with the number then subtract this number to both sides .
if -ve sign is there in variable side with number then add this number to both side
And second step be division or multiplication ,
After the above process if variable side variable is in multiply , divide the number to both sides .
After the above process if variable side variable is in divide multiply the number to both sides .
-15 = -4y + 5.
First step be either addition / subtraction
if +ve sign is there in variable side with the number then subtract this number to both sides .
if -ve sign is there in variable side with number then add this number to both side
And second step be division or multiplication ,
After the above process if variable side variable is in multiply , divide the number to both sides .
After the above process if variable side variable is in divide multiply the number to both sides .
Solve for k.
3k + 5 = 23
First step be either addition / subtraction if +ve sign is there in lhs with number then subtract this to both side and vice versa .
And second step be division or multiplication , after above process if in lhs variable is in multiply divide the same to both side and vice versa .
Solve for k.
3k + 5 = 23
First step be either addition / subtraction if +ve sign is there in lhs with number then subtract this to both side and vice versa .
And second step be division or multiplication , after above process if in lhs variable is in multiply divide the same to both side and vice versa .
Write an equation to solve the following word problem:
Samantha went bowling with her friends. She paid $3 to rent shoes and then $4.75 for each game of bowling. If she spent a total of $22, then find the total number of games Shakira played..
In this question , we have to find the equation for given situation. We write the equation for the total money she spend . Always consider variable of that term which they asked for the find out. Apply same methods in the similar questions.
Write an equation to solve the following word problem:
Samantha went bowling with her friends. She paid $3 to rent shoes and then $4.75 for each game of bowling. If she spent a total of $22, then find the total number of games Shakira played..
In this question , we have to find the equation for given situation. We write the equation for the total money she spend . Always consider variable of that term which they asked for the find out. Apply same methods in the similar questions.
The steps in solving 5b - 6 = 24 are
First step be either addition / subtraction if +ve sign is there with number in lhs then subtract this to both side and vice versa .
And second step be division or multiplication , after above process if in lhs variable is in multiply divide the same to both side and vice versa .
The steps in solving 5b - 6 = 24 are
First step be either addition / subtraction if +ve sign is there with number in lhs then subtract this to both side and vice versa .
And second step be division or multiplication , after above process if in lhs variable is in multiply divide the same to both side and vice versa .
Solve -3y + 7 = 22
First step be either addition / subtraction
And second step be division or multiplication .
Solve -3y + 7 = 22
First step be either addition / subtraction
And second step be division or multiplication .
Solve -5t + 9 = 24
First perform Addition/Subtraction then perform the multiplication/division.
Solve -5t + 9 = 24
First perform Addition/Subtraction then perform the multiplication/division.
Solve 3x - 7 = 32.
Solve 3x - 7 = 32.
Ronnie charged his customers a flat fee of $25 to fix computers. Then he charged $20 for each hour that he spent fixing the computer. If Ronnie made $175 off of his first customer, then find the total hours he spends on working.
In this question, two term were given one is fixed number and another is not fixed. The not fixed number is always would be variable. Writing equation after knowing these two terms would be easy.
Ronnie charged his customers a flat fee of $25 to fix computers. Then he charged $20 for each hour that he spent fixing the computer. If Ronnie made $175 off of his first customer, then find the total hours he spends on working.
In this question, two term were given one is fixed number and another is not fixed. The not fixed number is always would be variable. Writing equation after knowing these two terms would be easy.
Kaya rented a limousine for prom. There was a one-time charge of $100, plus an hourly rate of $45. Her total cost for the night was $347.50. Find the total hours Kaya rent the limo for.
In this question we have to find the total time and also write the equation. IF plus was in the question that means addition . You have to just find which is constant and which is variable and then write the equation according them.
Kaya rented a limousine for prom. There was a one-time charge of $100, plus an hourly rate of $45. Her total cost for the night was $347.50. Find the total hours Kaya rent the limo for.
In this question we have to find the total time and also write the equation. IF plus was in the question that means addition . You have to just find which is constant and which is variable and then write the equation according them.
Solve the equation:
x - 5.5 = 10.5
In this question, we have to find the value of x. we have given a variable so finding its value you have to separate the variable , use same operations to both side and reduce the variable side and get the answer. Apply same method in similar questions.
Solve the equation:
x - 5.5 = 10.5
In this question, we have to find the value of x. we have given a variable so finding its value you have to separate the variable , use same operations to both side and reduce the variable side and get the answer. Apply same method in similar questions.
The inverse operation needed to solve for p is?
765 = p – 254
In this question, we have to find the value of p. we have given a variable so finding its value you have to separate the variable , use same operations to both side and reduce the variable side and get the answer. Apply same method in similar questions.
The inverse operation needed to solve for p is?
765 = p – 254
In this question, we have to find the value of p. we have given a variable so finding its value you have to separate the variable , use same operations to both side and reduce the variable side and get the answer. Apply same method in similar questions.
331 students went on a field trip. Six buses were filled, and 7 students traveled in cars. Find the total numbers of students there were on each bus.
In this question, we have to find the total student in a bus. For that we consider the number of student in one bus to be x. And then, we write the equation for the given condition . Apply same concept for similar questions.
331 students went on a field trip. Six buses were filled, and 7 students traveled in cars. Find the total numbers of students there were on each bus.
In this question, we have to find the total student in a bus. For that we consider the number of student in one bus to be x. And then, we write the equation for the given condition . Apply same concept for similar questions.
144 = 12z
In this question, we have to solve the equation, basically we have to find the value of z. And it is linear equation that’s why it contain only one variable so its easy to find the value of z.
144 = 12z
In this question, we have to solve the equation, basically we have to find the value of z. And it is linear equation that’s why it contain only one variable so its easy to find the value of z.
