ashleyy80
01.07.2019 •
Mathematics
Solve for x, y, and z. (btw that is a right angle) explain for points❤️
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Ответ:
-3m-4n+14 (D)
Step-by-step explanation:
R-S+T=
Substitute the Values given
(11-2m)-(n+5)+(-m-3n+8)=
Open Parenthesis
11-2m-n-5-m-3n+8=
Combine Like Terms
-3m-4n+14