9/x=90/30

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Solution for 9/x=90/30 equation: 



9/x=90/30

We move all terms to the left:

9/x-(90/30)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

9/x-3=0

We multiply all the terms by the denominator


-3*x+9=0

We add all the numbers together, and all the variables

-3x+9=0

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

-3x=-9

x=-9/-3

x=+3

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