-13=7+4/y

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Solution for -13=7+4/y equation: 



-13=7+4/y

We move all terms to the left:

-13-(7+4/y)=0



Domain of the equation: y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(4/y+7)-13=0

We get rid of parentheses

-4/y-7-13=0

We multiply all the terms by the denominator


-7*y-13*y-4=0

We add all the numbers together, and all the variables

-20y-4=0

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

-20y=4

y=4/-20

y=-1/5

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