2d+3=3(d+7)

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



2d+3=3(d+7)

We move all terms to the left:

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



We calculate terms in parentheses: -(3(d+7)), so:

3(d+7)

We multiply parentheses

3d+21

Back to the equation:

-(3d+21)



We get rid of parentheses

2d-3d-21+3=0

We add all the numbers together, and all the variables

-1d-18=0

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

-d=18

d=18/-1

d=-18

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