Tentukan himpunan penyelesaiannya! 1. |5x - 4| =6 2. |x - 2| + |x - 4| = 7 3. | x + 2| + |3x| + |2x - 5| = 8

1 |5x - 4| = 6 atau -6
5x - 4 = 6
5x = -6 - 4
5x = -10
x = -2
5x - 4 = -6
5x = -6 + 4
5x = -2
x = -2/5
No 2 sama 3 gak tau caranya