Jika a#b=(a-3b)÷[2a+3b] maka hasil dari -8#4​

(a – 3b) : (2a + 3b)
= {-8 – 3(4)} : {2(-8) + 3(4)}
= (-8 – 12) : (-16 + 12)
= -20 : -4
= 5

Jawaban: