-3(d-4)=15

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Solution for -3(d-4)=15 equation: 



-3(d-4)=15

We move all terms to the left:

-3(d-4)-(15)=0

We multiply parentheses

-3d+12-15=0

We add all the numbers together, and all the variables

-3d-3=0

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

-3d=3

d=3/-3

d=-1

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