3y+5=4y-1=9y-12

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Solution for 3y+5=4y-1=9y-12 equation: 



3y+5=4y-1=9y-12

We move all terms to the left:

3y+5-(4y-1)=0

We get rid of parentheses

3y-4y+1+5=0

We add all the numbers together, and all the variables

-1y+6=0

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

-y=-6

y=-6/-1

y=+6

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