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Автор - sanko20041

Помогите составить задачу ,решение которой может привести к тому уравнению
30/x + 40/x-1 = 13

Ответ

Автор - lidiaduskalieva

Объяснение:

30/х+40/х-1=13,х=#0

30/х+40/х=13+1

70/х=13+1

70/х=14

70=14х

14х=70

Х=5 х=#0

Х=5

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