Tentukan nilai x yg memenuhi persamaan|x-1|+|x-3|=3

Bab Nilai Mutlak
Matematika SMA Kelas X

|x – 1| + |x – 3| = 3
x – 1 + x – 3 = 3
2x = 3 + 4
x = 7/2

x – 1 + x – 3 = -3
2x = -3 + 4
x = 1/2

HP = { 1/2, 7/2 }