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2d(1.15)/50=30
We move all terms to the left:
2d(1.15)/50-(30)=0
We multiply all the terms by the denominator
2d(1.15)-30*50=0
We add all the numbers together, and all the variables
2d(1.15)-1500=0
We multiply parentheses
2.3d-1500=0
We move all terms containing d to the left, all other terms to the right
2.3d=1500
d=1500/2.3
d=652+0.40000000000009/2.3
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