7d+10+3d=120

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Solution for 7d+10+3d=120 equation:



7d+10+3d=120
We move all terms to the left:
7d+10+3d-(120)=0
We add all the numbers together, and all the variables
10d-110=0
We move all terms containing d to the left, all other terms to the right
10d=110
d=110/10
d=11

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