3(y-1)=2(9+y)

Solution for 3(y-1)=2(9+y) equation:

3(y-1)=2(9+y)

We move all terms to the left:

3(y-1)-(2(9+y))=0

We add all the numbers together, and all the variables

3(y-1)-(2(y+9))=0

We multiply parentheses

3y-(2(y+9))-3=0


We calculate terms in parentheses: -(2(y+9)), so:

2(y+9)

We multiply parentheses

2y+18

Back to the equation:

-(2y+18)


We get rid of parentheses

3y-2y-18-3=0

We add all the numbers together, and all the variables

y-21=0

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

y=21