-(a+7)=7a+1

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



-(a+7)=7a+1

We move all terms to the left:

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

We get rid of parentheses

-a-7a-7-1=0

We add all the numbers together, and all the variables

-8a-8=0

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

-8a=8

a=8/-8

a=-1

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