2x + 11 < 1= … X elemen bilangan bulat

2x + 11 < 1
2x < 1-11
2x < -10
x < -10/2
x < -5

Hp = {-6,-7,-8,-9,…}
Hp = {x|x<-5, x ∈Bil.bulat}

2x + 11 < 1
<=> 2x + 11 – 11 < 1-11
<=> 2x < -10
<=> ½.2x < ½.-10
<=> x < -5