himpunan penyelesaian 2x -7 < 3(2x+3)

2x-7 < 6x+9
2x-6x <9+7
-4x<16
x < -4
Hp = { -5,-6,-7...}

2x - 7 < 3(2x + 3)

= 2x - 7 < 6x + 9
= 2x - 6x < 9 + 7
= -4x < 16
= x > 16/-4 (Tanda dibalik karena dibagi -4 atau bilangan negatif).
= x > -4

HP = {x | x > -4, x ∈ R}