ka bantu yaaa pleaseee

Dieliminasi terlebih dahulu
6x+12y=72 (x2) =12x+24y=144
12x+8y=96 (x1) = 12x+8y=96-(diselisihkan)
= 16y=48
y=3
Substitusi
6x+12y=72
6x+12.3=72
6x+36=72
6x=72-36
6x= 36
x=6

Fungsi objektif 2x+5y
1. (12,0) = 2.12+5.0=24
2. (8,0) =2.8 +5.0=16
3.(6,3)= 2.6+5.3= 12+15=27 (optimum)