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

asked Nov 12, 2021 28.5k views

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

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Answer:
-3m-4n+14

Explanation:

$R=11-2m\\S=n+5\\T=-m-3n+8$

$R-S+T\\(11-2m)-(n+5)+(-m-3n+8)\\11-2m-n-5-m-3n+8\\(-2m-m)+(-n-3n)+(11-5+8)\\-3m-4n+14$

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