-7-7a=-7(1+a)

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Solution for -7-7a=-7(1+a) equation: 



-7-7a=-7(1+a)

We move all terms to the left:

-7-7a-(-7(1+a))=0

We add all the numbers together, and all the variables

-7a-(-7(a+1))-7=0



We calculate terms in parentheses: -(-7(a+1)), so:

-7(a+1)

We multiply parentheses

-7a-7

Back to the equation:

-(-7a-7)



We get rid of parentheses

-7a+7a+7-7=0

We add all the numbers together, and all the variables

=0

a=0/1

a=0

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