7y+9=15+4y

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Solution for 7y+9=15+4y equation: 



7y+9=15+4y

We move all terms to the left:

7y+9-(15+4y)=0

We add all the numbers together, and all the variables

7y-(4y+15)+9=0

We get rid of parentheses

7y-4y-15+9=0

We add all the numbers together, and all the variables

3y-6=0

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

3y=6

y=6/3

y=2

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