3(4a-3)=15

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Solution for 3(4a-3)=15 equation: 



3(4a-3)=15

We move all terms to the left:

3(4a-3)-(15)=0

We multiply parentheses

12a-9-15=0

We add all the numbers together, and all the variables

12a-24=0

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

12a=24

a=24/12

a=2

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