x+7=-7x-57

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Solution for x+7=-7x-57 equation: 



x+7=-7x-57

We move all terms to the left:

x+7-(-7x-57)=0

We get rid of parentheses

x+7x+57+7=0

We add all the numbers together, and all the variables

8x+64=0

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

8x=-64

x=-64/8

x=-8

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