-115=-3-7x

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Solution for -115=-3-7x equation: 



-115=-3-7x

We move all terms to the left:

-115-(-3-7x)=0

We add all the numbers together, and all the variables

-(-7x-3)-115=0

We get rid of parentheses

7x+3-115=0

We add all the numbers together, and all the variables

7x-112=0

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

7x=112

x=112/7

x=16

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