-a=3a+

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Solution for -a=3a+ equation: 



-a=3a+

We move all terms to the left:

-a-(3a+)=0

We add all the numbers together, and all the variables

-a-(+3a)=0

We add all the numbers together, and all the variables

-1a-(+3a)=0

We get rid of parentheses

-1a-3a=0

We add all the numbers together, and all the variables

-4a=0

a=0/-4

a=0

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