What are the steps in solving 7x-11-2x=5x+9-9y ?
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First, collect the x terms together into one term. When we do this the x terms cancel out (5x-5x=0). Add 11 to each side: 0=20-9y. Add 9y to each side 9y=20, so y=20/9=2 2/9. The variable x is not involved.

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