90/x=4.5

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Solution for 90/x=4.5 equation: 



90/x=4.5

We move all terms to the left:

90/x-(4.5)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

90/x-4.5=0

We multiply all the terms by the denominator


-(4.5)*x+90=0

We multiply parentheses

-4.5x+90=0

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

-4.5x=-90

x=-90/-4.5

x=+20

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