-7a-2(1+4a)=118

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Solution for -7a-2(1+4a)=118 equation: 



-7a-2(1+4a)=118

We move all terms to the left:

-7a-2(1+4a)-(118)=0

We add all the numbers together, and all the variables

-7a-2(4a+1)-118=0

We multiply parentheses

-7a-8a-2-118=0

We add all the numbers together, and all the variables

-15a-120=0

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

-15a=120

a=120/-15

a=-8

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