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1/b+1/2b+1/3b=77/12
We move all terms to the left:
1/b+1/2b+1/3b-(77/12)=0
Domain of the equation: b!=0
b∈R
Domain of the equation: 2b!=0
b!=0/2
b!=0
b∈R
Domain of the equation: 3b!=0We add all the numbers together, and all the variables
b!=0/3
b!=0
b∈R
1/b+1/2b+1/3b-(+77/12)=0
We get rid of parentheses
1/b+1/2b+1/3b-77/12=0
We calculate fractions
We do not support ebpression: b^3
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