3(a+2)-6=-15

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Solution for 3(a+2)-6=-15 equation: 



3(a+2)-6=-15

We move all terms to the left:

3(a+2)-6-(-15)=0

We add all the numbers together, and all the variables

3(a+2)+9=0

We multiply parentheses

3a+6+9=0

We add all the numbers together, and all the variables

3a+15=0

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

3a=-15

a=-15/3

a=-5

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