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30 May, 06:32

Solve the system using the substitution method

4x+6y=8

3x+y=9

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Answers (1)
  1. 30 May, 08:24
    0
    4x+6y=8

    3x+y=9

    y = 9 - 3x

    4x + 6 (9-3x) = 8

    4x + 54 - 18x = 8

    14x = 46

    x = 23/7

    y = 9 - 3 (23/7)

    y = 9 - 69/7

    y = - 6/7
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