2y+3+y=8+4

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Solution for 2y+3+y=8+4 equation: 



2y+3+y=8+4

We move all terms to the left:

2y+3+y-(8+4)=0

We add all the numbers together, and all the variables

2y+y+3-12=0

We add all the numbers together, and all the variables

3y-9=0

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

3y=9

y=9/3

y=3

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