3(y+7)=2(y+9)-y-1

Solution for 3(y+7)=2(y+9)-y-1 equation:

3(y+7)=2(y+9)-y-1

We move all terms to the left:

3(y+7)-(2(y+9)-y-1)=0

We multiply parentheses

3y-(2(y+9)-y-1)+21=0


We calculate terms in parentheses: -(2(y+9)-y-1), so:

2(y+9)-y-1

We add all the numbers together, and all the variables

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

We multiply parentheses

-1y+2y+18-1

We add all the numbers together, and all the variables

y+17

Back to the equation:

-(y+17)


We get rid of parentheses

3y-y-17+21=0

We add all the numbers together, and all the variables

2y+4=0

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

2y=-4

y=-4/2

y=-2