3y-78=y-18

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Solution for 3y-78=y-18 equation: 



3y-78=y-18

We move all terms to the left:

3y-78-(y-18)=0

We get rid of parentheses

3y-y+18-78=0

We add all the numbers together, and all the variables

2y-60=0

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

2y=60

y=60/2

y=30

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