2(45-3y)+y=45

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Solution for 2(45-3y)+y=45 equation: 



2(45-3y)+y=45

We move all terms to the left:

2(45-3y)+y-(45)=0

We add all the numbers together, and all the variables

2(-3y+45)+y-45=0

We add all the numbers together, and all the variables

y+2(-3y+45)-45=0

We multiply parentheses

y-6y+90-45=0

We add all the numbers together, and all the variables

-5y+45=0

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

-5y=-45

y=-45/-5

y=+9

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