dlewis2560
05.11.2019 •
Mathematics
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
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Ответ:
Steps:
[7m + 3n -(11 - 2m)] + [n + 5 -(-m -3n + 8)]
7m + 3n -11 + 2m + n + 5 + m + 3n - 8
10m + 7n - 14
Ответ:
22·20 you would use the sum it up method