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Ilya [14]
3 years ago
12

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

Mathematics
2 answers:
Soloha48 [4]3 years ago
3 0
R = 11-2m
S = n+5
T = -m-3n+8
---------------------------
Add up S and T to get...
S+T = (n+5)+(-m-3n+8)
S+T = n+5-m-3n+8
S+T = -m+(n-3n)+(5+8)
S+T = -m+(1n-3n)+(5+8)
S+T = -m+(-2n)+(13)
S+T = -m-2n+13
---------------------------
Subtract that result from R
R - [S + T]
11-2m - [-m-2n+13]
11-2m +m+2n-13
(-2m+m) + (2n) + (11-13)
(-2m+1m) + (2n) + (11-13)
(-1m) + (2n) + (-2)
-m + 2n - 2
---------------------------
---------------------------
The final answer is -m + 2n - 2
Luba_88 [7]3 years ago
3 0

Answer: the correct answer is -m+2n-2

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