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15 June, 14:03

Solve the given system, using the substitution method.

y = 3x - 7

6x - 2y = 12

A. 14, 12

B. 12, 14

C. there is no solution

D. there are an infinite number of solutions

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Answers (2)
  1. 15 June, 16:15
    0
    D. there are an infinite number of solutions
  2. 15 June, 16:56
    0
    Sub y = 3x - 7 into:

    6x - 2y = 12

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

    6x - 6x + 14 = 12

    14 = / = 12 so there are an infinite number of solutions
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