Math - algebra

Oceanside bike rental shop charges 14 dollars plus 9 dollars an hour for renting a bike. Joan paid 86 dollars to rent a bike. How many hours did she pay to have the bike checked out?

X is unknown
N= 9h+14
86= 9h+14
86-14

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  1. Right, so far.

    What is your answer?

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    Ms. Sue
  2. 86-14=9h+14
    72=9h
    8=h

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  3. Yes, 8 hours

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    Ms. Sue

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