-7x=-x-(x+7)

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Solution for -7x=-x-(x+7) equation: 



-7x=-x-(x+7)

We move all terms to the left:

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



We calculate terms in parentheses: -(-x-(x+7)), so:

-x-(x+7)

We add all the numbers together, and all the variables

-1x-(x+7)

We get rid of parentheses

-1x-x-7

We add all the numbers together, and all the variables

-2x-7

Back to the equation:

-(-2x-7)



We get rid of parentheses

-7x+2x+7=0

We add all the numbers together, and all the variables

-5x+7=0

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

-5x=-7

x=-7/-5

x=1+2/5

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