Jawapan

2016-03-07T19:32:14+08:00
(2x+1)-(4x) = (4x)-(5x+1)
2x + 1- 4x = 4x - 5x - 1
2x-4x-4x+5x = -1-1
-x = -2
x = 2
  • Pengguna Brainly
2016-03-07T19:53:34+08:00
D = 5x + 1 - 4x = 4x - 2x+ 1 x + 1 = 2x - 1 x = 2
1 5 1