9d-5(2d-12)=-20

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Solution for 9d-5(2d-12)=-20 equation: 



9d-5(2d-12)=-20

We move all terms to the left:

9d-5(2d-12)-(-20)=0

We add all the numbers together, and all the variables

9d-5(2d-12)+20=0

We multiply parentheses

9d-10d+60+20=0

We add all the numbers together, and all the variables

-1d+80=0

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

-d=-80

d=-80/-1

d=+80

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