-2=-4/b

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Solution for -2=-4/b equation: 



-2=-4/b

We move all terms to the left:

-2-(-4/b)=0



Domain of the equation: b)!=0

b!=0/1

b!=0

b∈R



We get rid of parentheses

4/b-2=0

We multiply all the terms by the denominator


-2*b+4=0

We add all the numbers together, and all the variables

-2b+4=0

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

-2b=-4

b=-4/-2

b=+2

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