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7.65+2d=42.95
We move all terms to the left:
7.65+2d-(42.95)=0
We add all the numbers together, and all the variables
2d-35.3=0
We move all terms containing d to the left, all other terms to the right
2d=35.3
d=35.3/2
d=17+1/1.5384615384615
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