Question

Tentukan himpunan pnyelesaian dari persamaan |2x-3|=5

Answer 1

|2x - 3| = 5
2x - 3 = 5
2x = 5+3
2x = 8
x = 4

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

Jadi HPnya adalah: {2,4}