Persamaan nilai mutlak 5 | 2x - 1 | + 4 = 11

Bab Nilai Mutlak
Matematika SMA Kelas X

5 | 2x - 1| + 4 = 11
5 |2x - 1| = 11 - 4
|2x - 1| = 7/5

2x - 1 = 7/5
2x = 7/5 + 1
2x = 7/5 + 5/5
2x = 12/5
x = 6/5

2x - 1 = -7/5
2x = 1 - 7/5
2x = 5/5 - 7/5
2x = -2/5
x = -1/5

HP = {-1/5, 6/5 }