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18 July, 02:07

Simplify the expression 5a - 2a + 9

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Answers (2)
  1. 18 July, 02:23
    0
    3a + 9

    You subtract 2a from 5a, which equals 3a, but 9 is by itself, so it stays the same.
  2. 18 July, 02:30
    0
    Since there are like terms, you can combine them

    5a-2a = 3a

    So, then you get

    3a+9

    Then you can factor to get a GCF of 3

    3 (a+3)
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