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30 May, 04:29

Solve the system of equations by substitution.

x+y=18

y=8x

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Answers (2)
  1. 30 May, 04:39
    0
    2

    Step-by-step explanation:

    x + y = 18

    y = 8x

    x + 8x = 18

    9x = 18

    x = 18:9

    x = 2
  2. 30 May, 07:33
    0
    x=2, y=16

    Step-by-step explanation:

    x+y=18

    y=8x

    x+8x=18

    x=2

    y=16
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