Mathematics, 09.02.2021 18:40 sarah7307

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

-3m - 4n + 14
-m + 2n - 2
m - 2n - 2
3m - 4n + 14

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

-3m - 4n...