9=2y-4

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Solution for 9=2y-4 equation: 



9=2y-4

We move all terms to the left:

9-(2y-4)=0

We get rid of parentheses

-2y+4+9=0

We add all the numbers together, and all the variables

-2y+13=0

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

-2y=-13

y=-13/-2

y=6+1/2

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