3y+9+y=2y-2+3

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Solution for 3y+9+y=2y-2+3 equation: 



3y+9+y=2y-2+3

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

4y-2y-1+9=0

We add all the numbers together, and all the variables

2y+8=0

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

2y=-8

y=-8/2

y=-4

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