-7x+7=87+x

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Solution for -7x+7=87+x equation: 



-7x+7=87+x

We move all terms to the left:

-7x+7-(87+x)=0

We add all the numbers together, and all the variables

-7x-(x+87)+7=0

We get rid of parentheses

-7x-x-87+7=0

We add all the numbers together, and all the variables

-8x-80=0

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

-8x=80

x=80/-8

x=-10

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