Answer:
z=16
Step-by-step explanation:
z/4-2=2(take l.c.m)
or,(z-8)/4=2
or,z-8=8
z=16
The sum of the first four composite numbers is 27. ( 4+6+8=9)
Answer:
24m-28
Step-by-step explanation:
4*6m=24m
-7*4=-28
24m -28
12 - t|3r - 2|
r = -6; t = 3
subtitute:
12 - 3 · |3 · (-6) - 2| = 12 - 3 · |-18 - 2| = 12 - 3 · |-20| = 12 - 3 · 20 = 12 - 60 = -48