31=7-(2x)

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Solution for 31=7-(2x) equation: 



31=7-(2x)

We move all terms to the left:

31-(7-(2x))=0

We add all the numbers together, and all the variables

-(-2x+7)+31=0

We get rid of parentheses

2x-7+31=0

We add all the numbers together, and all the variables

2x+24=0

We move all terms containing x to the left, all other terms to the right

2x=-24

x=-24/2

x=-12

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