(8-d)+d=2d

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Solution for (8-d)+d=2d equation: 



(8-d)+d=2d

We move all terms to the left:

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

We add all the numbers together, and all the variables

(-1d+8)+d-2d=0

We add all the numbers together, and all the variables

-1d+(-1d+8)=0

We get rid of parentheses

-1d-1d+8=0

We add all the numbers together, and all the variables

-2d+8=0

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

-2d=-8

d=-8/-2

d=+4

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