-8a+7=7a-20

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Solution for -8a+7=7a-20 equation: 



-8a+7=7a-20

We move all terms to the left:

-8a+7-(7a-20)=0

We get rid of parentheses

-8a-7a+20+7=0

We add all the numbers together, and all the variables

-15a+27=0

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

-15a=-27

a=-27/-15

a=1+4/5

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