-3+2a=-a+4a

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Solution for -3+2a=-a+4a equation: 



-3+2a=-a+4a

We move all terms to the left:

-3+2a-(-a+4a)=0

We add all the numbers together, and all the variables

2a-(+3a)-3=0

We get rid of parentheses

2a-3a-3=0

We add all the numbers together, and all the variables

-1a-3=0

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

-a=3

a=3/-1

a=-3

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