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12 December, 05:56

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

Simplify [Q - R] + [S - T].

A 10m + 5n - 24

B 10m - 5n + 24

C 10m + 7n - 14

D 10m - 7n - 14

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Answers (1)
  1. 12 December, 06:12
    0
    The answer is 10m+7n-14 because you need to subtract
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