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9 June, 14:00

Which expression is equivalent to 19 - 27 a. 27 - 19 b. - 19 + 27 c. 19 + - 27 d. - 19 + 27

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Answers (2)
  1. 9 June, 15:46
    0
    c. 19 + - 27

    Step-by-step explanation:

    We know:

    a - b = a + (-b)

    a + b = b + a

    19 - 27 = 19 + (-27) = (-27) + 19 = - 27 + 19
  2. 9 June, 16:57
    0
    c. 19 + - 27

    Step-by-step explanation:

    you do kcc (keep change change) and you keep the first number flip the sign and then change the positive 2 a negative
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