2d+3.9=9.5

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Solution for 2d+3.9=9.5 equation:



2d+3.9=9.5
We move all terms to the left:
2d+3.9-(9.5)=0
We add all the numbers together, and all the variables
2d-5.6=0
We move all terms containing d to the left, all other terms to the right
2d=5.6
d=5.6/2
d=2+1/1.25

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