(x=-7)

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Solution for (x=-7) equation: 



(x=-7)

We move all terms to the left:

(x-(-7))=0



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

x-(-7)

We add all the numbers together, and all the variables

x+7

Back to the equation:

+(x+7)



We get rid of parentheses

x+7=0

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

x=-7

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