7d+6-9=-30

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Solution for 7d+6-9=-30 equation:



7d+6-9=-30
We move all terms to the left:
7d+6-9-(-30)=0
We add all the numbers together, and all the variables
7d+27=0
We move all terms containing d to the left, all other terms to the right
7d=-27
d=-27/7
d=-3+6/7

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