Mathematics, 15.07.2020 01:01, marley462847

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

Answers: 1

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

-8m...