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15 January, 16:32

Solve for x and y - 6x-y=-19 and 6x-4y=14

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  1. 15 January, 17:40
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    Solve the following system:

    {-6 x - y = - 19 | (equation 1)

    {6 x - 4 y = 14 | (equation 2)

    Add equation 1 to equation 2:

    { - (6 x) - y = - 19 | (equation 1)

    {0 x - 5 y = - 5 | (equation 2)

    Multiply equation 1 by - 1:

    {6 x + y = 19 | (equation 1)

    {0 x - 5 y = - 5 | (equation 2)

    Divide equation 2 by - 5:

    {6 x + y = 19 | (equation 1)

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

    Subtract equation 2 from equation 1:

    {6 x+0 y = 18 | (equation 1)

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

    Divide equation 1 by 6:

    {x+0 y = 3 | (equation 1)

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

    Collect results:

    Answer: {x = 3

    {y = 1
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