Предмет: Математика, автор: 2004Ученый

Решите уравнение:
нужно решить с обьясниниеми !"""""!
8х+7х-х=42

Ответы

Автор ответа: jonjei
0
8x+7x=15x 
15x-x=14x
14x=42
x=42/14
x=3
Автор ответа: 2004Ученый
0
А где ответ ????
Автор ответа: lhrush
0


8х+7х-х=42

8х+6х=42

14х=42

х=42:14

х=3

проверяем

8*3+7*3-3=42

42=42

Автор ответа: 2004Ученый
0
А где обьяснения ????
Автор ответа: lhrush
0
тебе как словами надо описать
Автор ответа: 2004Ученый
0
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