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19 October, 13:12

Dante wrote several equations and determined that only one of the equations has infinitely many solutions. Which of these equations has infinitely many solutions?

A. 6 (x+3) + x=7x+2+1

B. 6 (x+3) + x=7x+5

C. 6 (x+3) + x=6x+3+15

D. 6 (x+3) + x=7x+9+9

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Answers (2)
  1. 19 October, 14:19
    0
    The answer is D I believe
  2. 19 October, 16:24
    0
    D; 6 (x + 3) + x = 7x + 9 + 9

    Step-by-step explanation:

    6x + 18 + x = 7x + 9 + 9

    7x + 18 = 7x + 18

    The equation has equivalent coefficients and constants on both sides, which proves that it has infinitely many solutions.
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