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17 October, 17:13

2y+y=12

x=2y

solve the system of equations by using the substitution method

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Answers (2)
  1. 17 October, 17:31
    0
    3y = 12

    y = 4

    x = 2 * 4

    x = 8
  2. 17 October, 17:34
    0
    2y+y=12 x=2y, y=4

    3y=12 x=2 (4)

    y=4 x=8
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