2d-8+4=-20

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Solution for 2d-8+4=-20 equation: 



2d-8+4=-20

We move all terms to the left:

2d-8+4-(-20)=0

We add all the numbers together, and all the variables

2d+16=0

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

2d=-16

d=-16/2

d=-8

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