Algebra

your friend spends 6+5x minutes lifting weights and 9x+8 minutes running on a treadmill. write a polynomial that represents how much more time is spent running on the treadmill than lifting weights.

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  1. How much more is 9 than 7?

    You do it by finding the difference: 9-7

    so, do this the same way:

    (9x+8)-(5x+6)
    ...

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