9a-3=15a+9

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Solution for 9a-3=15a+9 equation: 



9a-3=15a+9

We move all terms to the left:

9a-3-(15a+9)=0

We get rid of parentheses

9a-15a-9-3=0

We add all the numbers together, and all the variables

-6a-12=0

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

-6a=12

a=12/-6

a=-2

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