3+7y=y+18

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Solution for 3+7y=y+18 equation: 



3+7y=y+18

We move all terms to the left:

3+7y-(y+18)=0

We get rid of parentheses

7y-y-18+3=0

We add all the numbers together, and all the variables

6y-15=0

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

6y=15

y=15/6

y=2+1/2

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