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7 October, 15:07

Y=2x-2

y=x+2

substitution

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Answers (2)
  1. 7 October, 15:15
    0
    Y = 2x-2

    y = x+2

    y = y

    2x-2 = x+2 |-x

    x - 2 = 2 |+2

    x = 4

    y = x+2

    y = 4+2

    y = 6
  2. 7 October, 15:27
    0
    Since they both equal y they are equal to each other so,

    2x-2=x+2

    2x=x+4

    2x-x=4

    X=4
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