Question
Twice a number plus 6 is -72.
- 2 + 6x =- 72
- 2x + 6 = -72
- 2 + 6 = x
- 2x2 + 6 = 72
Hint:
In this question , A twice a number plus 6 is – 72 . The number is twice that means number is not fixed so consider it as a variable. Whenever plus word is given that means its says about addition.
The correct answer is: 2x + 6 = -72
Here we have write the correct equation on the given problem.
Firstly, we have given is
Twice a number plus 6 is – 72
So twice a number is not constant so ,let assume number as a variable x.
So twice a number would by 2x,
Whenever increased, more than , plus, added, are used we always uses the addition ,
So its says twice a number plus 6 that means , 2x + 6 ,
And its equal to -72,
So equation is 2x + 6 = -72
The correct answer is 2x + 6 = -72.
In this question, we have to find algebraic equation of A twice a number plus 6 is – 72. If something like written x is plus y then it is say that x + y , If “ plus” is given then it is addition. Like increased by, sum of, more than, the total of ,plus , add etc then it is addition in algebraic expression.
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