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5.00-3.50d=29.50
We move all terms to the left:
5.00-3.50d-(29.50)=0
We add all the numbers together, and all the variables
-3.50d+5.00-(29.5)=0
We add all the numbers together, and all the variables
-3.5d-24.5=0
We move all terms containing d to the left, all other terms to the right
-3.5d=24.5
d=24.5/-3.5
d=-7
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