30=120/x

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Solution for 30=120/x equation: 



30=120/x

We move all terms to the left:

30-(120/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

-(+120/x)+30=0

We get rid of parentheses

-120/x+30=0

We multiply all the terms by the denominator


30*x-120=0

We add all the numbers together, and all the variables

30x-120=0

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

30x=120

x=120/30

x=4

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