30/x=40/x-2

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Solution for 30/x=40/x-2 equation: 



30/x=40/x-2

We move all terms to the left:

30/x-(40/x-2)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: x-2)!=0

x∈R



We get rid of parentheses

30/x-40/x+2=0

We multiply all the terms by the denominator


2*x+30-40=0

We add all the numbers together, and all the variables

2x-10=0

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

2x=10

x=10/2

x=5

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