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MathematicsMathematics
15 May, 08:29

Below are the steps to solve an equation:

Step 1: |x - 4| + 1 = 8

Step 2: |x - 4| = 8 - 1

Step 3: |x - 4| = 7

Which of the following is a correct next step to solve the equation? x - 4 = - 7 x + 4 = - 7 - x - 4 = 7 x + 4 = 7

+4
Answers (2)
  1. 15 May, 08:30
    0
    Since l x - 4 l means absolute value, so we need to make sure we do not include any negative signs.

    x + 4 = 7 would be the next step because it does not include any negative signs.
  2. 15 May, 08:43
    0
    |x - 4| + 1 = 8

    - 1 - 1

    |x - 4| = 7

    |x - 4| = ±7

    |x - 4| = 7 or |x - 4| = - 7

    x - 4 = 7 or x - 4 = - 7

    + 4 + 4 + 4 + 4

    x = 11 or x = - 3

    The answer would be equal to x - 4 = - 7.
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Home » Mathematics » Below are the steps to solve an equation: Step 1: |x - 4| + 1 = 8 Step 2: |x - 4| = 8 - 1 Step 3: |x - 4| = 7 Which of the following is a correct next step to solve the equation? x - 4 = - 7 x + 4 = - 7 - x - 4 = 7 x + 4 = 7
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