-2=0.2a+3.8a

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Solution for -2=0.2a+3.8a equation: 



-2=0.2a+3.8a

We move all terms to the left:

-2-(0.2a+3.8a)=0

We add all the numbers together, and all the variables

-(+4a)-2=0

We get rid of parentheses

-4a-2=0

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

-4a=2

a=2/-4

a=-1/2

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