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13 December, 18:54

What is the solution of the system using the substitution method?

y + 7 = 3x

6x - 2y = 12

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Answers (1)
  1. 13 December, 20:00
    0
    Substitute y = 3x - 7 for y in the second equation.

    6x - 2 (3x - 7) = 12

    6x - 6x + 14 = 12

    14 = 12? Incorrect. That means no solution.
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