5/7b+6=21

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Solution for 5/7b+6=21 equation: 



5/7b+6=21

We move all terms to the left:

5/7b+6-(21)=0



Domain of the equation: 7b!=0

b!=0/7

b!=0

b∈R



We add all the numbers together, and all the variables

5/7b-15=0

We multiply all the terms by the denominator


-15*7b+5=0

Wy multiply elements

-105b+5=0

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

-105b=-5

b=-5/-105

b=1/21

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