7d+8=-2

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Solution for 7d+8=-2 equation: 



7d+8=-2

We move all terms to the left:

7d+8-(-2)=0

We add all the numbers together, and all the variables

7d+10=0

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

7d=-10

d=-10/7

d=-1+3/7

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