9y-15y=20

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Solution for 9y-15y=20 equation: 



9y-15y=20

We move all terms to the left:

9y-15y-(20)=0

We add all the numbers together, and all the variables

-6y-20=0

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

-6y=20

y=20/-6

y=-3+1/3

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