3d+8-2d=-7

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Solution for 3d+8-2d=-7 equation: 



3d+8-2d=-7

We move all terms to the left:

3d+8-2d-(-7)=0

We add all the numbers together, and all the variables

d+15=0

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

d=-15

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