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 }