Предмет: Математика, автор: Аноним

помогите решить уравнение: 14(2х-3)-5(х+4)=2(3х+5)+5х

Ответы

Автор ответа: yyu3

28х-42-5х-20=6х+10+5х
28х-5х-6х-5х=42+20+10
12х=72
х=72/12
х=6
проверка
14(12-3)-5(6+4)=2(18+5)+30
126-50=46+30
76=76
ответ х=6

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