Question
The first step in finding the solution with elimination is _______________
7x + y = -9
-3x -y = 5
- Cross out the y and -y
- Cross out the 7x and -3x
- Change all the signs of the second equation
- Add -9 and 5
Hint:
In this question we have to find the first step in finding the solution with elimination . where the equations are 7x + y = -9 and -3x -y = 5. In elimination method , we have to multiply in both equation by number which is lowest common multiple for one of the variable. Then perform the addition or subtraction to eliminate the variable and substitute the that variable in equation and find the other equation.
The correct answer is: Cross out the y and -y
Here we have to find the first step for the solution.
Firstly , the equations are
7x + y = -9 ........(1)
-3x -y = 5 .......(2)
Now , add eq(1) and eq (2) , we have
7x + y = -9
-3x -y = 5
--------------------------
4x + 0 = -4
x = -1
Therefore, the first step in finding the solution is Cross out the y and -y.
The correct answer is Cross out the y and -y.
The first step in finding the solution with elimination is cross out the y and -y.
In this question, we have to find the first step but the equation is solved by the elimination method. In elimination method you have two equation. we have to multiply in both equation by number which is lowest common multiple for one of the variable. Then perform the addition or subtraction to eliminate the variable and substitute the that variable in equation and find the other equation.
Related Questions to study
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In this question , we have give two linear equation and we have to solve it by elimination method. In elimination method you have two equation. we have to multiply in both equation by number which is lowest common multiple for one of the variable. Then perform the addition or subtraction to eliminate the variable and substitute the that variable in equation and find the other equation.
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In this question , we have give two linear equation and we have to solve it by elimination method. In elimination method you have two equation. we have to multiply in both equation by number which is lowest common multiple for one of the variable. Then perform the addition or subtraction to eliminate the variable and substitute the that variable in equation and find the other equation.
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In this question, we have to find the equivalent equation . Equivalent means equals. Equivalent equations are algebraic equation that have identical solution or roots.
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In this question , we have give two linear equation and we have to solve it by elimination method. In elimination method you have two equation. we have to multiply in both equation by number which is lowest common multiple for one of the variable. Then perform the addition or subtraction to eliminate the variable and substitute the that variable in equation and find the other equation.
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The first step in finding the solution with elimination is ________________
21x + 18y = -22
-21x - 2y = 17
In this question, we have to find the first step but the equation is solved by the elimination method. In elimination method you have two equation. we have to multiply in both equation by number which is lowest common multiple for one of the variable. Then perform the addition or subtraction to eliminate the variable and substitute the that variable in equation and find the other equation.
Solve the following pair of linear equations by the method of elimination:
y = 4x – 7
16x – 5y = 25
In this question , we have give two linear equation and we have to solve it by elimination method. In elimination method you have two equation. we have to multiply in both equation by number which is lowest common multiple for one of the variable. Then perform the addition or subtraction to eliminate the variable and substitute the that variable in equation and find the other equation.
Solve the following pair of linear equations by the method of elimination:
y = 4x – 7
16x – 5y = 25
In this question , we have give two linear equation and we have to solve it by elimination method. In elimination method you have two equation. we have to multiply in both equation by number which is lowest common multiple for one of the variable. Then perform the addition or subtraction to eliminate the variable and substitute the that variable in equation and find the other equation.
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In this question, we have to what graph is look likes in no solution. No solution means graph will never intersect with each other and its only possible if graph are parallel. The no solution graph are always parallel.
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