140/(x-7)=20

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Solution for 140/(x-7)=20 equation: 



140/(x-7)=20

We move all terms to the left:

140/(x-7)-(20)=0



Domain of the equation: (x-7)!=0

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

x!=7

x∈R



We multiply all the terms by the denominator


-20*(x-7)+140=0

We multiply parentheses

-20x+140+140=0

We add all the numbers together, and all the variables

-20x+280=0

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

-20x=-280

x=-280/-20

x=+14

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