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4b-10.50=7.50
We move all terms to the left:
4b-10.50-(7.50)=0
We add all the numbers together, and all the variables
4b-10.50-(7.5)=0
We add all the numbers together, and all the variables
4b-18=0
We move all terms containing b to the left, all other terms to the right
4b=18
b=18/4
b=4+1/2
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