-8-7(-x-3)=-57

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Solution for -8-7(-x-3)=-57 equation: 



-8-7(-x-3)=-57

We move all terms to the left:

-8-7(-x-3)-(-57)=0

We add all the numbers together, and all the variables

-7(-1x-3)-8-(-57)=0

We add all the numbers together, and all the variables

-7(-1x-3)+49=0

We multiply parentheses

7x+21+49=0

We add all the numbers together, and all the variables

7x+70=0

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

7x=-70

x=-70/7

x=-10

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