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29.99d+5.00=124.94
We move all terms to the left:
29.99d+5.00-(124.94)=0
We add all the numbers together, and all the variables
29.99d-119.94=0
We move all terms containing d to the left, all other terms to the right
29.99d=119.94
d=119.94/29.99
d=3+1/1.000667334
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