Предмет: Математика, автор: StarVolkova

Найдите точку пересечения прямых 2х-у=3 и 3х+у=2 с объяснением

10 баллов

Приложения:

Ответы

Автор ответа: Аноним
19

Ответ:(1;-1)

Пошаговое объяснение:Точку найдем, выразив из первого и второго у через х и приравняв полученные выражения. Итак, из 1 уравнения

у=2х-3, из второго уравнения у=2-3х

2х-3=2-3х, или 5х=5, откуда х=1, тогда у =2-3=-1


StarVolkova: Спасибо))))
Аноним: И Вам спасибо
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