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4+b/8=3
We move all terms to the left:
4+b/8-(3)=0
We add all the numbers together, and all the variables
b/8+1=0
We multiply all the terms by the denominator
b+1*8=0
We add all the numbers together, and all the variables
b+8=0
We move all terms containing b to the left, all other terms to the right
b=-8
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