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7 September, 17:12

Solve the simultaneous equations

y-2x=6

y+2x=0

+3
Answers (1)
  1. 7 September, 17:38
    0
    Y-2x=6 = > y=6+2x

    Y+2x=0

    (6+2x) + 2x = 0

    6 + 4x = 0

    4x = 6

    X=6/4

    X = 3/2

    Y=6+2x

    Y=6+2. 3/2

    Y = 6 + 3

    Y=9

    Check: y-2x=6

    9-2. 3/2 = 6

    9 - 3 = 6
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