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10.50+.050b=13.50
We move all terms to the left:
10.50+.050b-(13.50)=0
We add all the numbers together, and all the variables
.050b+10.50-(13.5)=0
We add all the numbers together, and all the variables
.050b-3=0
We move all terms containing b to the left, all other terms to the right
.050b=3
b=3/.050
b=60
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