20/b=4

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Solution for 20/b=4 equation: 



20/b=4

We move all terms to the left:

20/b-(4)=0



Domain of the equation: b!=0

b∈R



We multiply all the terms by the denominator


-4*b+20=0

We add all the numbers together, and all the variables

-4b+20=0

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

-4b=-20

b=-20/-4

b=+5

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