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8d-5=30+15
We move all terms to the left:
8d-5-(30+15)=0
We add all the numbers together, and all the variables
8d-5-45=0
We add all the numbers together, and all the variables
8d-50=0
We move all terms containing d to the left, all other terms to the right
8d=50
d=50/8
d=6+1/4
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