Nilai x memenuhi persamaan 2/3|2x+1| =4 adalah

semoga membantu..........

Nilai Mutlak

⅔ |2x+1| = 4
|2x+1| = 4 : ⅔ = 4 × 3/2 = 6

|2x+1| = 6

2x+1 = 6
2x = 6 -1 = 5
x = 5/2
x = 2½

|2x+1| = -6

2x+1 = -6
2x = -6 -1 = -7
x = -7/2
x = -3½

HP = {2½ , -3½}