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11 August, 20:40

What is the solution to the algebraic equation 7 less than 4 times a number is 21

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Answers (2)
  1. 11 August, 22:38
    0
    21=4x-7

    (add 7 to both sides)

    28=4x

    (divide both sides by 4)

    7=x
  2. 12 August, 00:06
    0
    4x-7=21

    4x=28

    x=7
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