5/y+7/y=3

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Solution for 5/y+7/y=3 equation: 



5/y+7/y=3

We move all terms to the left:

5/y+7/y-(3)=0



Domain of the equation: y!=0

y∈R



We multiply all the terms by the denominator


-3*y+5+7=0

We add all the numbers together, and all the variables

-3y+12=0

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

-3y=-12

y=-12/-3

y=+4

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