8=3a+a

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Solution for 8=3a+a equation: 



8=3a+a

We move all terms to the left:

8-(3a+a)=0

We add all the numbers together, and all the variables

-(+4a)+8=0

We get rid of parentheses

-4a+8=0

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

-4a=-8

a=-8/-4

a=+2

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