9+3(d+2)=-6

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Solution for 9+3(d+2)=-6 equation: 



9+3(d+2)=-6

We move all terms to the left:

9+3(d+2)-(-6)=0

We add all the numbers together, and all the variables

3(d+2)+15=0

We multiply parentheses

3d+6+15=0

We add all the numbers together, and all the variables

3d+21=0

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

3d=-21

d=-21/3

d=-7

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