-0.8a-8=0.2a-20

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Solution for -0.8a-8=0.2a-20 equation: 



-0.8a-8=0.2a-20

We move all terms to the left:

-0.8a-8-(0.2a-20)=0

We get rid of parentheses

-0.8a-0.2a+20-8=0

We add all the numbers together, and all the variables

-1a+12=0

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

-a=-12

a=-12/-1

a=+12

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