7y=3y-9

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Solution for 7y=3y-9 equation: 



7y=3y-9

We move all terms to the left:

7y-(3y-9)=0

We get rid of parentheses

7y-3y+9=0

We add all the numbers together, and all the variables

4y+9=0

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

4y=-9

y=-9/4

y=-2+1/4

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