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8 February, 05:04

Y=2x-10

2y=x-8

substitution

+4
Answers (1)
  1. 8 February, 08:27
    0
    Y=2x-10

    2y = x - 8

    2 (2x-10) = x - 8

    4x - 20 = x - 8

    3x = 12

    x=4

    If x=4,

    y = 2x-10

    y = 2 (4) - 10

    y = - 2

    So x=4, y=-2
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