1.16x-3.2-3.6x+9.4=0
12.4x=6.2
x=2
2.y=(64.8*55.9)/15.48=234
3.12.8-19.2y=4.8y-6+6.8
-19.2y+12.8-0.8-4.8y=0
-24y=-12
y=2
1.16x-3.2-3.6x+9.4=0
12.4x=6.2
x=2
2.y=(64.8*55.9)/15.48=234
3.12.8-19.2y=4.8y-6+6.8
-19.2y+12.8-0.8-4.8y=0
-24y=-12
y=2