2Х+2У=14
5Х-7У=11
из первого
х=(14-2у)/2=7-у
-у)-7у=11
35-5у-7у=11
-12у=-24
у=2
х=7-у=5
(5;7)
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Verified answer
2Х+2У=14
5Х-7У=11
из первого
х=(14-2у)/2=7-у
-у)-7у=11
35-5у-7у=11
-12у=-24
у=2
х=7-у=5
(5;7)