9-y=2y+1

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



9-y=2y+1

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

-3y+8=0

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

-3y=-8

y=-8/-3

y=2+2/3

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