Solve the following equetions | x-3| = |3x+1|
Jawaban:
x = -2
Cara :
x – 3 = 3x + 1
-3 – 1 = 3x – x
-4 = 2x
-2 = x
x = -2
Pembuktian :
| x – 3 | = | 3x + 1 |
| -2 – 3 | = | 3(-2) + 1 |
| -5 | = | -6 + 1 |
| -5 | = | -5 |
Maaf kalau salah. Semoga membantu