4/y-9/y=12

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Solution for 4/y-9/y=12 equation: 



4/y-9/y=12

We move all terms to the left:

4/y-9/y-(12)=0



Domain of the equation: y!=0

y∈R



We multiply all the terms by the denominator


-12*y+4-9=0

We add all the numbers together, and all the variables

-12y-5=0

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

-12y=5

y=5/-12

y=-5/12

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