20+y=9-2y

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Solution for 20+y=9-2y equation: 



20+y=9-2y

We move all terms to the left:

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

We add all the numbers together, and all the variables

y-(-2y+9)+20=0

We get rid of parentheses

y+2y-9+20=0

We add all the numbers together, and all the variables

3y+11=0

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

3y=-11

y=-11/3

y=-3+2/3

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