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27 November, 00:48

What is the solution of the system of equations?

{13x-6y=2

3x-4y=-10

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Answers (1)
  1. 27 November, 01:08
    0
    Solve the following system:

    {13 x - 6 y = 2 | (equation 1)

    {3 x - 4 y = - 10 | (equation 2)

    Subtract 3/13 * (equation 1) from equation 2:

    {13 x - 6 y = 2 | (equation 1)

    {0 x - (34 y) / 13 = (-136) / 13 | (equation 2)

    Multiply equation 2 by - 13/34:

    {13 x - 6 y = 2 | (equation 1)

    {0 x+y = 4 | (equation 2)

    Add 6 * (equation 2) to equation 1:

    {13 x+0 y = 26 | (equation 1)

    {0 x+y = 4 | (equation 2)

    Divide equation 1 by 13:

    {x+0 y = 2 | (equation 1)

    {0 x+y = 4 | (equation 2)

    Collect results:

    Answer: {x = 2 {y = 4
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