9(-d+19)+20=-20d-7

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Solution for 9(-d+19)+20=-20d-7 equation: 



9(-d+19)+20=-20d-7

We move all terms to the left:

9(-d+19)+20-(-20d-7)=0

We add all the numbers together, and all the variables

9(-1d+19)-(-20d-7)+20=0

We multiply parentheses

-9d-(-20d-7)+171+20=0

We get rid of parentheses

-9d+20d+7+171+20=0

We add all the numbers together, and all the variables

11d+198=0

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

11d=-198

d=-198/11

d=-18

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