Автор - ARGENTYMLOL

Решите систему уравнения 5х+у=14 :2х-3у=9​

Ответ

Автор - MORGENSTHERN

5x  + y div 2x - 3y = 9 \  5x + y div 1 = 9 \ x = 9 - 5 \ x = 4 \ 5 + 4 div 2 - 3 = 9 \ 9 = 9 \

Ответ:х=4

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