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30 August, 22:09

in 20 years a child's age will be 7 years less than four times her current age. find the child's current age

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Answers (2)
  1. 30 August, 22:14
    0
    They are 9

    Step-by-step explanation:

    Their current age will be represented by x

    x + 20 = 4x - 7

    -20 - 20

    x = 4x - 27

    -4x - 4x

    -3x = - 27

    - - - -

    -3 - 3

    x = 9
  2. 30 August, 22:18
    0
    X + 20 = 4X - 7

    X = Current Age

    3X = 27

    X = 9

    The child's current age is 9 years old
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