2y-(3y+15)=3(4-y)

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Solution for 2y-(3y+15)=3(4-y) equation: 



2y-(3y+15)=3(4-y)

We move all terms to the left:

2y-(3y+15)-(3(4-y))=0

We add all the numbers together, and all the variables

2y-(3y+15)-(3(-1y+4))=0

We get rid of parentheses

2y-3y-(3(-1y+4))-15=0



We calculate terms in parentheses: -(3(-1y+4)), so:

3(-1y+4)

We multiply parentheses

-3y+12

Back to the equation:

-(-3y+12)



We add all the numbers together, and all the variables

-1y-(-3y+12)-15=0

We get rid of parentheses

-1y+3y-12-15=0

We add all the numbers together, and all the variables

2y-27=0

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

2y=27

y=27/2

y=13+1/2

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