3/b-1=7/b

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Solution for 3/b-1=7/b equation: 



3/b-1=7/b

We move all terms to the left:

3/b-1-(7/b)=0



Domain of the equation: b!=0

b∈R





Domain of the equation: b)!=0

b!=0/1

b!=0

b∈R



We add all the numbers together, and all the variables

3/b-(+7/b)-1=0

We get rid of parentheses

3/b-7/b-1=0

We multiply all the terms by the denominator


-1*b+3-7=0

We add all the numbers together, and all the variables

-1b-4=0

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

-b=4

b=4/-1

b=-4

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