9a-6a+12=15

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Solution for 9a-6a+12=15 equation: 



9a-6a+12=15

We move all terms to the left:

9a-6a+12-(15)=0

We add all the numbers together, and all the variables

3a-3=0

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

3a=3

a=3/3

a=1

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