12/x-1=15/x-3

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Solution for 12/x-1=15/x-3 equation: 



12/x-1=15/x-3

We move all terms to the left:

12/x-1-(15/x-3)=0



Domain of the equation: x!=0

x∈R





Domain of the equation: x-3)!=0

x∈R



We get rid of parentheses

12/x-15/x+3-1=0

We multiply all the terms by the denominator


3*x-1*x+12-15=0

We add all the numbers together, and all the variables

2x-3=0

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

2x=3

x=3/2

x=1+1/2

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