-2y=45+y

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Solution for -2y=45+y equation: 



-2y=45+y

We move all terms to the left:

-2y-(45+y)=0

We add all the numbers together, and all the variables

-2y-(y+45)=0

We get rid of parentheses

-2y-y-45=0

We add all the numbers together, and all the variables

-3y-45=0

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

-3y=45

y=45/-3

y=-15

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