2y=4y-9

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Solution for 2y=4y-9 equation: 



2y=4y-9

We move all terms to the left:

2y-(4y-9)=0

We get rid of parentheses

2y-4y+9=0

We add all the numbers together, and all the variables

-2y+9=0

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

-2y=-9

y=-9/-2

y=4+1/2

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