taylordunham24 taylordunham24

25-09-2020
Mathematics

contestada

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

Simplify [Q - R] + [S - T].
10m + 5n - 24
10m - 5n + 24
10m - 7n - 14
10m + 7n - 14

Respuesta :

claireh56ch claireh56ch

25-09-2020

Answer:

6m + n + 2

Step-by-step explanation:

[7m + 3n - 11 - 2m] + [n + 5 - -m - 3n + 8]

[5m + 3n - 11] + [n + 5 + m - 3n + 8]

5m + 3n - 11 + (-2n + 13 + m)

5m + 3n - 11 - 2n + 13 + m

6m + n + 2

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