10. By how much is 7a – 8b + 9c greater than 8a – 9b + 4c?​

Question

10. By how much is 7a – 8b + 9c greater than 8a – 9b + 4c?​

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Rylee 7 months 2021-10-07T20:48:27+00:00 2 Answers 0 views 0

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  1. Quinn
    0
    2021-10-07T20:49:56+00:00
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    Step-by-step explanation:

    7a – 8b + 9c – ( 8a – 9b + 4c)

    = 7a – 8b + 9c – 8a + 9b – 4c

    = 7a – 8a -8b + 9b +9c – 4c

    = – a + b + 5c

    so greater by – a+b+5c.

    regards i hope u will understand…

  2. Quinn
    0
    2021-10-07T20:49:58+00:00
    Reply

    Answer:

    a-17b+13C

    Step-by-step explanation:

    Hope this answers helps you

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