Question

|5x + 4| - 3 = 0
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Answer 1

Решение и ответ:

|5x + 4| - 3 = 0

|5x + 4| = 3

1) 5x + 4 = 3

  5x = 3 - 4

  5x = -1

  x = -1 ÷ 5

  x₁ = -0.2

2) 5x + 4 = -3

    5x = -3 - 4

    5x = -7

    x = -7 ÷ 5

    x₂ = -1.4