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21 January, 07:21

Solve using substitution, y=2x+5 y=6x+1

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Answers (2)
  1. 21 January, 08:16
    0
    Y=2x+5

    y=6x+1

    y=2x+5

    2x+5=6x+1

    y=2x+5

    2x-6x=1-5

    y=2x+5

    -4x=-4 / : (-4)

    y=2x+5

    x=1

    x=1

    y=2*1+5

    x=1

    y=2+5

    x=1

    y=7
  2. 21 January, 09:59
    0
    Y = 2x+5

    y = 6x+1

    Just substitute.

    y = 2x+5

    6x+1 = 2x+5

    6x-2x = 5-1

    4x = 4

    x = 1

    Then, insert x = 1 into one of the equation. Let's say I choose number one.

    y = 2x+5

    y = 2 (1) + 5

    y = 7
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