Jawapan

2016-03-13T11:57:38+08:00
1 + 2x * 2 = 5x + 4 Simplify
1 + 4x = 5x + 4 Subtract
4x = 5x + 4 − 1 Simplify
4x = 5x + 3 Subtract
4x − 5x = 3 Simplify
-x = 3 Simplify more
x = -3
Thks^^ (Although its not the true..bt its fine)