-5a+4+9a=8a-2a

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Solution for -5a+4+9a=8a-2a equation: 



-5a+4+9a=8a-2a

We move all terms to the left:

-5a+4+9a-(8a-2a)=0

We add all the numbers together, and all the variables

-5a+9a-(+6a)+4=0

We add all the numbers together, and all the variables

4a-(+6a)+4=0

We get rid of parentheses

4a-6a+4=0

We add all the numbers together, and all the variables

-2a+4=0

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

-2a=-4

a=-4/-2

a=+2

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