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10 October, 04:39

8x + 6y - 9 + 2x - 4y - 11

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Answers (2)
  1. 10 October, 04:51
    0
    10x + 2y - 20
  2. 10 October, 05:06
    0
    Answer: 10x+2y-20

    Step-by-step explanation:

    Combining like terms tells us that ...

    8x+2x=10x

    6y-4y=2y and lastly

    -9 - - 11 = - 20
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