3y+9=5y+7

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Solution for 3y+9=5y+7 equation: 



3y+9=5y+7

We move all terms to the left:

3y+9-(5y+7)=0

We get rid of parentheses

3y-5y-7+9=0

We add all the numbers together, and all the variables

-2y+2=0

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

-2y=-2

y=-2/-2

y=1

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