9a-3=5a+12

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Solution for 9a-3=5a+12 equation: 



9a-3=5a+12

We move all terms to the left:

9a-3-(5a+12)=0

We get rid of parentheses

9a-5a-12-3=0

We add all the numbers together, and all the variables

4a-15=0

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

4a=15

a=15/4

a=3+3/4

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