nomer 8 nya ya tolongin

Kata kunci : pertidaksamaan
Mapel : Matematika

=> 4 ( x + 3 ) > 2 ( x + 10 )
=> 4x + 12 > 2x + 20
=> 4x - 2x + 12 - 20 < 0
=> 2x - 8 < 0
=> 2x < 8
=> x < 8/2 = 4

Hp { 4 }