9y-7y-9=31.38

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Solution for 9y-7y-9=31.38 equation: 



9y-7y-9=31.38

We move all terms to the left:

9y-7y-9-(31.38)=0

We add all the numbers together, and all the variables

2y-40.38=0

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

2y=40.38

y=40.38/2

y=20+0.38/2

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