-80+a=-7a

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Solution for -80+a=-7a equation: 



-80+a=-7a

We move all terms to the left:

-80+a-(-7a)=0

We get rid of parentheses

a+7a-80=0

We add all the numbers together, and all the variables

8a-80=0

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

8a=80

a=80/8

a=10

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