2(a+3)+6=-3

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



2(a+3)+6=-3

We move all terms to the left:

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

We add all the numbers together, and all the variables

2(a+3)+9=0

We multiply parentheses

2a+6+9=0

We add all the numbers together, and all the variables

2a+15=0

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

2a=-15

a=-15/2

a=-7+1/2

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