-2(7-3d)=7

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Solution for -2(7-3d)=7 equation: 



-2(7-3d)=7

We move all terms to the left:

-2(7-3d)-(7)=0

We add all the numbers together, and all the variables

-2(-3d+7)-7=0

We multiply parentheses

6d-14-7=0

We add all the numbers together, and all the variables

6d-21=0

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

6d=21

d=21/6

d=3+1/2

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