3-y=4y-9

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Solution for 3-y=4y-9 equation: 



3-y=4y-9

We move all terms to the left:

3-y-(4y-9)=0

We add all the numbers together, and all the variables

-1y-(4y-9)+3=0

We get rid of parentheses

-1y-4y+9+3=0

We add all the numbers together, and all the variables

-5y+12=0

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

-5y=-12

y=-12/-5

y=2+2/5

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