October 2021 0 10 Report
Решите систему уравнений:{4х+3у=2
{Х-4у=-9
Смотреть ответ Реклама Реклама madinasabitova madinasabitova 3у=4х-2                      3у=4х-2                       


4у=х+9                        4(4х-2)=х+9

 16х-8=х+9

16х+х=8-9
17х=-1

х=-1


-1-4у=-9

4у=8
у=2 

Ответ:(-1;2) 

                               
  • вроде так)
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