Предмет: Математика, автор: SAIBEL1

Решите уравнение 3/5х+2/5х=15

Ответы

Автор ответа: gala1585

0

Умножаем всё уравнение на 5:

3х + 2х = 75
5х=75
х=75/5
х=15

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