2d-7=-15

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Solution for 2d-7=-15 equation: 



2d-7=-15

We move all terms to the left:

2d-7-(-15)=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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