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8 April, 06:34

Y=2x

x+y=12

you have to find the systems of equations

+3
Answers (1)
  1. 8 April, 09:15
    0
    Y=2x

    subsitute 2x for y in other equatin

    x+2x=12

    3x=12

    divide both sides by 3

    x=4

    sub back

    y=2x

    y=2 (4)

    y=8

    (x, y)

    (4,8)
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