(-9) – 6 x (-72) : 16 -20

(-9) – 6 x (-72) : 16 -20
= (-9)+432:16-20
=(-9)+27-20
= -2

Penyelesaian :

=> -9 – [6 × (-72) ÷ 16] – 20
=> -9 + [432 ÷ 16] – 20
=> -9 + 27 – 20
=> -2

Semoga membantu ya.