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34/21b=8
We move all terms to the left:
34/21b-(8)=0
Domain of the equation: 21b!=0We multiply all the terms by the denominator
b!=0/21
b!=0
b∈R
-8*21b+34=0
Wy multiply elements
-168b+34=0
We move all terms containing b to the left, all other terms to the right
-168b=-34
b=-34/-168
b=17/84
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