9a+3=12a-15

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Solution for 9a+3=12a-15 equation:


9a+3=12a-15

We simplify the equation to the form, which is simple to understand 
9a+3=12a-15

We move all terms containing a to the left and all other terms to the right. 
+9a-12a=-15-3

We simplify left and right side of the equation. 
-3a=-18

We divide both sides of the equation by -3 to get a. 
a=6

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