6х-(3х-9у)=6х-3(х-3у)=6х-3(-0,6)=6х-1.8
6х=1.8
х=0,3
3•0,3-3(0,3-3у)=1.8-0,9+9у
9у=2.7
у=0,3
1.8-0,9+9•0,3=3,6
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
6х-(3х-9у)=6х-3(х-3у)=6х-3(-0,6)=6х-1.8
6х=1.8
х=0,3
3•0,3-3(0,3-3у)=1.8-0,9+9у
9у=2.7
у=0,3
1.8-0,9+9•0,3=3,6