9y-17y=42-54

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Solution for 9y-17y=42-54 equation: 



9y-17y=42-54

We move all terms to the left:

9y-17y-(42-54)=0

We add all the numbers together, and all the variables

9y-17y-(-12)=0

We add all the numbers together, and all the variables

-8y+12=0

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

-8y=-12

y=-12/-8

y=1+1/2

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