21/bb=2

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Solution for 21/bb=2 equation: 



21/bb=2

We move all terms to the left:

21/bb-(2)=0



Domain of the equation: bb!=0

b!=0/1

b!=0

b∈R



We multiply all the terms by the denominator


-2*bb+21=0

Wy multiply elements

-2b+21=0

We move all terms containing b to the left, all other terms to the right

-2b=-21

b=-21/-2

b=10+1/2

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