4(a-3)+6=-3a+15

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Solution for 4(a-3)+6=-3a+15 equation: 



4(a-3)+6=-3a+15

We move all terms to the left:

4(a-3)+6-(-3a+15)=0

We multiply parentheses

4a-(-3a+15)-12+6=0

We get rid of parentheses

4a+3a-15-12+6=0

We add all the numbers together, and all the variables

7a-21=0

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

7a=21

a=21/7

a=3

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