-15-7x=-31+9x

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Solution for -15-7x=-31+9x equation: 



-15-7x=-31+9x

We move all terms to the left:

-15-7x-(-31+9x)=0

We add all the numbers together, and all the variables

-7x-(9x-31)-15=0

We get rid of parentheses

-7x-9x+31-15=0

We add all the numbers together, and all the variables

-16x+16=0

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

-16x=-16

x=-16/-16

x=1

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