tentukan himpunan penyelesaian dari : 5/4×+1/2<1/4(4×-1),×£B!

=> 5/4x + 1/2 < 1/4(4x - 1)
=> 5/4x + 1/2 < x - 1/4
=> 5/4x - x < -1/4 - 1/2
=> 5/4x - 4x/4 < -1/4 - 2/4
=> 1/4x < -3/4
=> x < -3/4/1/4
=> x < -3/4 * 4/1
=> x < -12/4
=> x < -3

Hp = { x I x < -3 , X € R }

semoga membantu ^_^