-7(d-9)=84

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Solution for -7(d-9)=84 equation: 



-7(d-9)=84

We move all terms to the left:

-7(d-9)-(84)=0

We multiply parentheses

-7d+63-84=0

We add all the numbers together, and all the variables

-7d-21=0

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

-7d=21

d=21/-7

d=-3

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