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23 July, 14:08

Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = - m - 3n + 8.

Simplify Q + S - T.

-8m + 7n - 3

-8m - 7n - 3

8m + 7n - 3

8m - 7n - 3

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Answers (1)
  1. 23 July, 15:57
    0
    If you would like to simplify Q + S - T, you can do this using the following steps:

    Q = 7m + 3n,

    R = 11 - 2m,

    S = n + 5,

    T = - m - 3n + 8

    Q + S - T = 7m + 3n + n + 5 - (-m - 3n + 8) = 7m + 3n + n + 5 + m + 3n - 8 = 8m + 7n - 3

    The correct result would be 8m + 7n - 3.
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