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37.50=d+2.8
We move all terms to the left:
37.50-(d+2.8)=0
We add all the numbers together, and all the variables
-(d+2.8)+37.5=0
We get rid of parentheses
-d-2.8+37.5=0
We add all the numbers together, and all the variables
-1d+34.7=0
We move all terms containing d to the left, all other terms to the right
-d=-34.7
d=-34.7/-1
d=34+0.7/1
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