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25 August, 23:31

Round to the near at tenth

| 3x + 1 | = 22

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Answers (1)
  1. 26 August, 03:02
    0
    x = 7 x = - 7 2/3

    Step-by-step explanation:

    | 3x + 1 | = 22

    Absolute value equations have 2 solutions, one positive and one negative

    3x+1 = 22 3x+1 = - 22

    Subtract 1 from each side

    3x+1-1 = 22-1 3x+1-1 = - 22-1

    3x = 21 3x = - 23

    Divide each side by 3

    3x/3 = 21/3 3x/3 = - 23/3

    x = 7 x = - 7 2/3
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