х=1-2у2(1-2у) - 3у = -12 х=1-2у2-4у-3у=-12х=1-2у-7у=-14у= 2х=1-2*2у=2х=-3
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
х=1-2у
2(1-2у) - 3у = -12
х=1-2у
2-4у-3у=-12
х=1-2у
-7у=-14
у= 2
х=1-2*2
у=2
х=-3