-4=3a+a

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Solution for -4=3a+a equation: 



-4=3a+a

We move all terms to the left:

-4-(3a+a)=0

We add all the numbers together, and all the variables

-(+4a)-4=0

We get rid of parentheses

-4a-4=0

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

-4a=4

a=4/-4

a=-1

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