-1=-(x-7)

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Solution for -1=-(x-7) equation: 



-1=-(x-7)

We move all terms to the left:

-1-(-(x-7))=0



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

-(x-7)

We get rid of parentheses

-x+7

We add all the numbers together, and all the variables

-1x+7

Back to the equation:

-(-1x+7)



We get rid of parentheses

1x-7-1=0

We add all the numbers together, and all the variables

x-8=0

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

x=8

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