himpunan penyelesaian dari l2x - 1l = l4x + 3l adalah...

[2× - 1] = [4× + 3]
2× = 4× + 3 + 1
2× = 4× + 4
2× - 4× = 4
-2× = 4
× = 4/2
× = 2
Hp [2]
Maaf kalau salah...