December 2021 0 10 Report
Закончите решение системы уравнений {2x−3y=23;3x−15y=66. {-5}{1}⋅(1−5​) ; {−10x+15y=−115;3x−15y=66.
выберите верный ответ..
1. (−7;−3)
2.(−3;7)
3.(3;−7)
4.(7;−3)
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