-9=4/5b

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Solution for -9=4/5b equation: 



-9=4/5b

We move all terms to the left:

-9-(4/5b)=0



Domain of the equation: 5b)!=0

b!=0/1

b!=0

b∈R



We add all the numbers together, and all the variables

-(+4/5b)-9=0

We get rid of parentheses

-4/5b-9=0

We multiply all the terms by the denominator


-9*5b-4=0

Wy multiply elements

-45b-4=0

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

-45b=4

b=4/-45

b=-4/45

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