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30b+80=29b+1/2
We move all terms to the left:
30b+80-(29b+1/2)=0
We add all the numbers together, and all the variables
30b-(+29b+1/2)+80=0
We get rid of parentheses
30b-29b+80-1/2=0
We multiply all the terms by the denominator
30b*2-29b*2-1+80*2=0
We add all the numbers together, and all the variables
30b*2-29b*2+159=0
Wy multiply elements
60b-58b+159=0
We add all the numbers together, and all the variables
2b+159=0
We move all terms containing b to the left, all other terms to the right
2b=-159
b=-159/2
b=-79+1/2
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