Предмет: Алгебра, автор: dolzhenkova2000

решите уравнение 10(2+x)=-7

Ответы

Автор ответа: Нужнааапомощь
0
10(2+X)=-7
РАСКРЫВАЕМ СКОБКИ
20 +10Х=-7
ПЕРЕНОСИМ Х В ОДНУ, ЧИСЛА В ДРУГУЮ
10Х=-27
Х=-2.7

Автор ответа: dolzhenkova2000
0
У тебя ответ не сходится там должно получится -2,7
Автор ответа: No03
0
10(2+x)=-7
20+10х=-7
10х=-7-20
10х=-27
х=-27:10
х=-2,7
Автор ответа: dolzhenkova2000
0
СПАСИБО))))
Автор ответа: No03
0
Не за что :)
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