1.-0.68х=12.73
х = 18.72
2
54(0.45-2.7у)-18(0.51-3.4у)=91.8
24.3-14.58у-9,18+61.2у=91.8
46,62у=76.68
у=1.64
1.-0.68х=12.73
х = 18.72
2
54(0.45-2.7у)-18(0.51-3.4у)=91.8
24.3-14.58у-9,18+61.2у=91.8
46,62у=76.68
у=1.64