4y-7y-9y=18

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Solution for 4y-7y-9y=18 equation: 



4y-7y-9y=18

We move all terms to the left:

4y-7y-9y-(18)=0

We add all the numbers together, and all the variables

-12y-18=0

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

-12y=18

y=18/-12

y=-1+1/2

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