Ответ:
х=-16+2у
(-16+2у)*7-10у=7
-112+14у-10у=7
4у=119
У=29,75
Х=-16+29,75*2=43,5
(43.5; 29,75)
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Ответ:
х=-16+2у
(-16+2у)*7-10у=7
-112+14у-10у=7
4у=119
У=29,75
Х=-16+29,75*2=43,5
(43.5; 29,75)