-20-2d+15d=17d+20

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Solution for -20-2d+15d=17d+20 equation: 



-20-2d+15d=17d+20

We move all terms to the left:

-20-2d+15d-(17d+20)=0

We add all the numbers together, and all the variables

13d-(17d+20)-20=0

We get rid of parentheses

13d-17d-20-20=0

We add all the numbers together, and all the variables

-4d-40=0

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

-4d=40

d=40/-4

d=-10

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