7y-12=3y+3

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Solution for 7y-12=3y+3 equation: 



7y-12=3y+3

We move all terms to the left:

7y-12-(3y+3)=0

We get rid of parentheses

7y-3y-3-12=0

We add all the numbers together, and all the variables

4y-15=0

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

4y=15

y=15/4

y=3+3/4

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