1-6a-2a=-7a=4

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Solution for 1-6a-2a=-7a=4 equation: 



1-6a-2a=-7a=4

We move all terms to the left:

1-6a-2a-(-7a)=0

We add all the numbers together, and all the variables

-8a-(-7a)+1=0

We get rid of parentheses

-8a+7a+1=0

We add all the numbers together, and all the variables

-1a+1=0

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

-a=-1

a=-1/-1

a=1

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