|x-1| + |x-4| =6.tentukan nilai x

Bab Nilai Mutlak
Matematika SMA Kelas X

| x - 1 | + | x - 4 | = 6

x - 1 + x - 4 = 6
2x - 5 = 6
2x = 6 + 5
x = 11/2

x - 1 + x - 4 = -6
2x - 5 = -6
2x = -6 + 5
x = -1/2

HP = { -1/2, 11/2 }