Предмет: Математика, автор: qwer004

x+2x+2x=10 помогите пожалуйста

Ответы

Автор ответа: отличник236

x+2x+2x=10
Облегчаем уравнение. Получается:
5х=10 Мы получили 5х сложа 1х,2х и 2х.
Решаем как обычное уравнение.
х=10:5
х=2
Подставляем в первое уравнение.
2+2*2+2*2=10 Решаем: 2*2=4 2*2=4 4+4+2=10
10=10
МЫ РЕШИЛИ УРАВНЕНИЕ.

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