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16 December, 19:10

Solve.

y=x-7

5c + 2y = 7

Use the substitution method.

+2
Answers (1)
  1. 16 December, 23:03
    0
    x = 3

    Step-by-step explanation:

    5c + 2 (x-7) = 7

    5c + 2x - 14 = 7

    7x - 14 = 7

    7x = 21
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