20d-2d=-20+2d

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



20d-2d=-20+2d

We move all terms to the left:

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

We add all the numbers together, and all the variables

20d-2d-(2d-20)=0

We add all the numbers together, and all the variables

18d-(2d-20)=0

We get rid of parentheses

18d-2d+20=0

We add all the numbers together, and all the variables

16d+20=0

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

16d=-20

d=-20/16

d=-1+1/4

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