-3(d+2)=15

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



-3(d+2)=15

We move all terms to the left:

-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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