7(a+8)=-77

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Solution for 7(a+8)=-77 equation: 



7(a+8)=-77

We move all terms to the left:

7(a+8)-(-77)=0

We add all the numbers together, and all the variables

7(a+8)+77=0

We multiply parentheses

7a+56+77=0

We add all the numbers together, and all the variables

7a+133=0

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

7a=-133

a=-133/7

a=-19

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