-7x-7=-4(x+7)

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Solution for -7x-7=-4(x+7) equation: 



-7x-7=-4(x+7)

We move all terms to the left:

-7x-7-(-4(x+7))=0



We calculate terms in parentheses: -(-4(x+7)), so:

-4(x+7)

We multiply parentheses

-4x-28

Back to the equation:

-(-4x-28)



We get rid of parentheses

-7x+4x+28-7=0

We add all the numbers together, and all the variables

-3x+21=0

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

-3x=-21

x=-21/-3

x=+7

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