Предмет: Алгебра, автор: olga9352

1.Розвяжіть рівняння 2x+1/14-3-x/7=1
/-це дріб
2.Розв'яжіть систему рівняння {5x-3y=19
2x+y=1

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Автор ответа: bodyatop9323
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