Question

Jawablah dengan menggunakan caranya.....

| 2x-1 | = | x+3 |

Answer 1

Verified answer

(2x-1)x(+3)
=-2x+3
=-6

Answer 2

Bab Nilai Mutlak
Matematika SMA Kelas X

| 2x - 1 | = | x + 3 |

(2x - 1)² = (x + 3)²
(2x - 1)² - (x + 3)² = 0
(2x - 1 + x + 3) (2x - 1 - x - 3) = 0
(3x + 2) (x - 4) = 0
3x + 2 = 0    atau          x - 4 = 0
3x = - 2                         x = 4
x = -2/3

HP = { -2/3, 4}