-4=2/y

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Solution for -4=2/y equation: 



-4=2/y

We move all terms to the left:

-4-(2/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

-(+2/y)-4=0

We get rid of parentheses

-2/y-4=0

We multiply all the terms by the denominator


-4*y-2=0

We add all the numbers together, and all the variables

-4y-2=0

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

-4y=2

y=2/-4

y=-1/2

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