-7=-7(x+4)

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



-7=-7(x+4)

We move all terms to the left:

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



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

-7(x+4)

We multiply parentheses

-7x-28

Back to the equation:

-(-7x-28)



We get rid of parentheses

7x+28-7=0

We add all the numbers together, and all the variables

7x+21=0

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

7x=-21

x=-21/7

x=-3

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