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16 June, 07:46

9x - 9y = 18

y = 8

Solve a system of equations using substitution.

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Answers (2)
  1. 16 June, 09:14
    0
    Answer: x=10

    Step-by-step explanation: 9 (8) = 72, 72+18=90, 90/9 = 10
  2. 16 June, 11:19
    0
    Answer: x = 10
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