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17 December, 11:23

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(8a + 2b - 9) + (-11a - 5b + 4)

+4
Answers (1)
  1. 17 December, 11:49
    0
    (-3a - 3b - 5)

    Step-by-step explanation:

    So you have to add numbers with same valuables

    8a + (-11a) Answer: - 3a 2b + (-5b) Answer: - 3b - 9+4 Answer: - 5
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