Question

Nilai mutlak 7 dikurangi X besar sama 5

Answer 1

| 7 - x | >= 5

7 - x >= 5
- x >= 5 - 7
- x >= - 2
x < = 2

atau
-(7 - x )>= 5
-7 + x >= 5
x >= 5 + 7
x >= 12
hp = {x| x < = 2 atau x> =12, x anggota bil real}