Carilah nilai X yang memenuhi setiap persamaan nilai mutlak berikut 4|3×+1|-7=16

4|3x + 1| - 7 = 16
|3x + 1| = (16 + 7)/4
|3x + 1| = 23/4

•
3x + 1 = 23/4
3x = 23/4 - 1
x = (19/4)/3
x = 19/12

•
3x + 1 = -23/4
3x = -1 - 23/4
x = (-27/4)/3
x = -9/4