Предмет: Алгебра, автор: totoro00

Найдите абсциссу точки пересечения графиков линейных функций: y=4x+7 и y=-3x+21

Ответы

Автор ответа: tatnik12

3

Приравниваем обе правые части уравнений и решаем уравнение:

4х+7=–3х+21

7х=14

х=2

Ответ: абсцисса равна 2

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