1.2=90/x

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Solution for 1.2=90/x equation: 



1.2=90/x

We move all terms to the left:

1.2-(90/x)=0



Domain of the equation: x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(+90/x)+1.2=0

We get rid of parentheses

-90/x+1.2=0

We multiply all the terms by the denominator


(1.2)*x-90=0

We multiply parentheses

1.2x-90=0

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

1.2x=90

x=90/1.2

x=75

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