-d+8d=-49

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Solution for -d+8d=-49 equation: 



-d+8d=-49

We move all terms to the left:

-d+8d-(-49)=0

We add all the numbers together, and all the variables

7d+49=0

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

7d=-49

d=-49/7

d=-7

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