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2 September, 08:04

Solve the following system via elimination

3x - y = 28

3x+y=14

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Answers (1)
  1. 2 September, 08:21
    0
    x=7, y=-7

    Step-by-step explanation:

    1: add the equations

    3x+3x+y-y=28+14

    6x=42

    x equals 7

    2:plug that in to get y

    3 (7) - y=28

    21-y=28

    -y=7

    y=-7
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