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13 April, 19:53

Which of the following best describes the equation below?

4 (x + 9) + 5x = 9x - 36

A. exactly one real solution, x = 14 2/5

B. exactly one real solution, x = - 1

C. no real solutions

D. infinite real solutions

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Answers (1)
  1. 13 April, 20:41
    0
    4 (x + 9) + 5x = 9x - 36

    => 4x + 36 + 5x = 9x - 36

    => 9x + 36 = 9x - 36

    => 9x - 9x = - 36 - 36

    => 0 = - 72

    You can see that the equation doesn't hold true.

    So there is no solution for this equation.

    Answer is C. no real solutions
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