3y+9-8=31

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Solution for 3y+9-8=31 equation: 



3y+9-8=31

We move all terms to the left:

3y+9-8-(31)=0

We add all the numbers together, and all the variables

3y-30=0

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

3y=30

y=30/3

y=10

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