-1=9/5y

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Solution for -1=9/5y equation: 



-1=9/5y

We move all terms to the left:

-1-(9/5y)=0



Domain of the equation: 5y)!=0

y!=0/1

y!=0

y∈R



We add all the numbers together, and all the variables

-(+9/5y)-1=0

We get rid of parentheses

-9/5y-1=0

We multiply all the terms by the denominator


-1*5y-9=0

Wy multiply elements

-5y-9=0

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

-5y=9

y=9/-5

y=-1+4/5

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