Предмет: Математика, автор: anonim20102010

Решите уровнения.Дам 15 баллов
-х-(-28)= -21+53

Ответы

Автор ответа: razniyrazniy
1

Ответ:

х= -4

Пошаговое объяснение:

28-x=53-21 упрощаем

28-x=32

-x=32-28

-x=4 умножаем обе стороны на "-1"

х= -4

anonim20102010: почему ты списал у первого пацана точ в точ
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