Question

2х + 4 = 72х − 1 ответ

Answer 1

2x + 4 = 72x - 1

2x - 72x = - 4 - 1

- 70x = - 5

x = -5/-70

x = 0,0714

Answer 2

2х + 4 = 72х − 1

-70х = -5

х = -5 : -70

х = 1/14

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Ответ: 1/14