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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-1y+2y-(2(y-1)+9)+4=0



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

2(y-1)+9

We multiply parentheses

2y-2+9

We add all the numbers together, and all the variables

2y+7

Back to the equation:

-(2y+7)



We add all the numbers together, and all the variables

y-(2y+7)+4=0

We get rid of parentheses

y-2y-7+4=0

We add all the numbers together, and all the variables

-1y-3=0

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

-y=3

y=3/-1

y=-3

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