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30 August, 21:07

For the equation 3 (7 + x) = 3x + k, which value of k will create an equation with no solutions

A. x

B. 3x

C. 15

D. 21

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Answers (1)
  1. 31 August, 00:45
    0
    3 (7+x) = 3x+15

    21+3x=3x+15

    21-3x=-3x+15

    21=15

    not a solution so the answer is C. 15
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