Answer:
-2x-7y-7z
Step-by-step explanation:
I'm going to start off by separating the different variables and keeping the sign in front with it.
(5x-3x-4x) + (-6y+2y-3y) + (-7z-z+z)
After that it's simply solving a simplifying.
(-2x) + (-7y) + (-7z)
And your final answer should be...
-2x - 7y - 7z!
Hope I helped!
(-4,-3,-2,-1,0,1,2)
..........i hope it is............
C. m ≥ 9
7m -2 ≥ 61
7m ≥ 61+2
7m ≥ 63
m ≥ 63/7
m ≥ 9