-7=-7(7+x)-2(x-3)

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Solution for -7=-7(7+x)-2(x-3) equation: 



-7=-7(7+x)-2(x-3)

We move all terms to the left:

-7-(-7(7+x)-2(x-3))=0

We add all the numbers together, and all the variables

-(-7(x+7)-2(x-3))-7=0



We calculate terms in parentheses: -(-7(x+7)-2(x-3)), so:

-7(x+7)-2(x-3)

We multiply parentheses

-7x-2x-49+6

We add all the numbers together, and all the variables

-9x-43

Back to the equation:

-(-9x-43)



We get rid of parentheses

9x+43-7=0

We add all the numbers together, and all the variables

9x+36=0

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

9x=-36

x=-36/9

x=-4

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