Tentukan himpunan penyelesaian 1.|×+4|=2 2.|3×+14|=2 3.|2×-3|<5

Operasi Mutlak

1][
|x + 4| = 2
x + 4 = 2
x = -2

|x + 3| = -2
x + 3 = -2
x = -5

HP = {-2, -5}

2][
|3x + 14| = 2
3x + 14 = 2
3x = -12
x = -4

|3x + 14| = -2
3x + 14 = -2
3x = -16
x = -16/3

HP = {-4, -16/3}

3][
|2x - 3| < 5
2x - 3 < 5
2x < 8
x = 4

|2x - 3| > -5
2x - 3 > -5
2x > -2
x > -1

HP = {4, -1}