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14 June, 01:53

Solve the following system of equations below 4x+y=16 2x+3y=-2

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Answers (1)
  1. 14 June, 02:12
    0
    x = 5

    y = - 4

    steps:

    4x + y = 16

    multiply 2nd equation by 2

    4x + 6y = - 4

    subtract equations

    0 - 5y = 20

    -5y = 20

    y = 20 : - 5

    y = - 4

    substitute y = - 4 to find the value of x

    4x + (-4) = 16

    4x - 4 = 16

    4x = 20

    x = 5
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