Persamaan nilai mutlak 2I2x-4I-5=15

2I2x-4I-5=15

2I2x-4| = 5 + 15

|2x – 4| = 20/2

2x – 4 = 10

2x = 4 + 10

x = 14/2

x = 7

2x – 4 = -10

2x = 4 – 10

2x = -6

x = -6/2

x = -3