-3=d/3-7

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Solution for -3=d/3-7 equation: 



-3=d/3-7

We move all terms to the left:

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

We get rid of parentheses

-d/3+7-3=0

We multiply all the terms by the denominator


-d+7*3-3*3=0

We add all the numbers together, and all the variables

-1d+12=0

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

-d=-12

d=-12/-1

d=+12

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