120/x=100/20

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Solution for 120/x=100/20 equation: 



120/x=100/20

We move all terms to the left:

120/x-(100/20)=0



Domain of the equation: x!=0

x∈R



We add all the numbers together, and all the variables

120/x-5=0

We multiply all the terms by the denominator


-5*x+120=0

We add all the numbers together, and all the variables

-5x+120=0

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

-5x=-120

x=-120/-5

x=+24

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