9=2(y+1)+1

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



9=2(y+1)+1

We move all terms to the left:

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



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

2(y+1)+1

We multiply parentheses

2y+2+1

We add all the numbers together, and all the variables

2y+3

Back to the equation:

-(2y+3)



We get rid of parentheses

-2y-3+9=0

We add all the numbers together, and all the variables

-2y+6=0

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

-2y=-6

y=-6/-2

y=+3

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