2y-9=4y-7

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Solution for 2y-9=4y-7 equation: 



2y-9=4y-7

We move all terms to the left:

2y-9-(4y-7)=0

We get rid of parentheses

2y-4y+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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