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-3/5b=9
We move all terms to the left:
-3/5b-(9)=0
Domain of the equation: 5b!=0We multiply all the terms by the denominator
b!=0/5
b!=0
b∈R
-9*5b-3=0
Wy multiply elements
-45b-3=0
We move all terms containing b to the left, all other terms to the right
-45b=3
b=3/-45
b=-1/15
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