y=(27-1,4x)/0,3
5x/3-(27-1,4x)/1,2=20
100x-1350+70x=1200
170x=2550
x=15
y=20
5x/3-y/4=20
100x-1350+70x=1200 y = (27-1,4*15)/0,3
170x=2550 y=20
y=(27-1,4x)/0,3
5x/3-(27-1,4x)/1,2=20
100x-1350+70x=1200
170x=2550
x=15
y=20
y=(27-1,4x)/0,3
5x/3-y/4=20
100x-1350+70x=1200 y = (27-1,4*15)/0,3
170x=2550 y=20
x=15