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3 January, 08:15

Solve the system of the linear equation using any method:

2x+5y=4

4x+7y=11

+1
Answers (2)
  1. 3 January, 08:27
    0
    Multiply the first equation by 2:

    4x+10y=8

    Subtract the second equation from this so the 4x cancels:

    3y = - 3

    y = - 1

    Plug into first equation:

    2x - 5 = 4

    2x = 9

    x = 9/2 = 4 1/2 = 4.5

    So (x, y) = (-1,4.5)
  2. 3 January, 08:30
    0
    (-1,4.5) will be the answer.
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