-4=8+2d

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Solution for -4=8+2d equation: 



-4=8+2d

We move all terms to the left:

-4-(8+2d)=0

We add all the numbers together, and all the variables

-(2d+8)-4=0

We get rid of parentheses

-2d-8-4=0

We add all the numbers together, and all the variables

-2d-12=0

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

-2d=12

d=12/-2

d=-6

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