Thanks........................................everyone.....................
更新1:
Candy 係咪掉轉先 arm 嫁, 有出先有得入掛o
更新2:
Dear Candy, 3X - 52 = 2X - 60 3X - 52 - 2X = -60 3X - 2X - 52 = -60 X - 52 = -60 X = -60 + 52 X = -8 咁樣夠唔夠 step by step? Your sincerely, Lovely DOM.