12=90/x

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Solution for 12=90/x equation: 



12=90/x

We move all terms to the left:

12-(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)+12=0

We get rid of parentheses

-90/x+12=0

We multiply all the terms by the denominator


12*x-90=0

We add all the numbers together, and all the variables

12x-90=0

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

12x=90

x=90/12

x=7+1/2

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