Tentukan nila x mutlak linier |2-8x|=22

Bab Nilai Mutlak
Matematika SMA Kelas X

|2 - 8x} = 22

2 - 8x = 22
-8x = 22 - 2
x = 20/-8
x = -5/2
x = - 2 1/2

2 - 8x = -22
-8x = -22 - 2
x = -24/-8
x = 3

HP = { -5/2, 3 }