8d=7+9d

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Solution for 8d=7+9d equation:



8d=7+9d
We move all terms to the left:
8d-(7+9d)=0
We add all the numbers together, and all the variables
8d-(9d+7)=0
We get rid of parentheses
8d-9d-7=0
We add all the numbers together, and all the variables
-1d-7=0
We move all terms containing d to the left, all other terms to the right
-d=7
d=7/-1
d=-7

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