-9+2a=a-6+2a

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Solution for -9+2a=a-6+2a equation: 



-9+2a=a-6+2a

We move all terms to the left:

-9+2a-(a-6+2a)=0

We add all the numbers together, and all the variables

2a-(3a-6)-9=0

We get rid of parentheses

2a-3a+6-9=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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