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RSB [31]
3 years ago
12

(I WILL MATK BRAINLIEST)Given: Q = 7m + 3n, R = 11 - 2m, S = n + 5, and T = -m - 3n + 8.

Mathematics
1 answer:
Jobisdone [24]3 years ago
5 0

Answer:

  • 10m + 7n - 14

Step-by-step explanation:

<u>Given</u>

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

<u>Simplify [Q - R] + [S - T]</u>

  • (7m + 3n - (11 - 2m)) + (n + 5 - (-m - 3n + 8)) =
  • 7m + 3n -11 + 2m + n + 5 + m + 3n - 8 =
  • m(7 + 2 + 1) + n(3 + 1 + 3) - 14 =
  • 10m + 7n - 14
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