3y+12=78

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Solution for 3y+12=78 equation: 



3y+12=78

We move all terms to the left:

3y+12-(78)=0

We add all the numbers together, and all the variables

3y-66=0

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

3y=66

y=66/3

y=22

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