9y-1=7y

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Solution for 9y-1=7y equation: 



9y-1=7y

We move all terms to the left:

9y-1-(7y)=0

We add all the numbers together, and all the variables

2y-1=0

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

2y=1

y=1/2

y=1/2

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