Tentukan hp dari pertidaksamaan 2x – 10 ≥ 5x + 10

PENYELESAIAN

2x – 10 ≥ 5x + 10

= 2x – 5x ≥ 10 + 10

= -3x ≥ 20

x ≤ –

-(2x – 10) ≥ 5x + 10

= -2x – 10 ≥ 5x + 10

= -2x – 5x ≥ 10 – 10

=  -7x ≥ 0

= x ≤ 0

Maka,Hp = {Maka,Hp = {x ≤ }