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23 May, 08:11

Find the solution of this system of equations. Separate the x - and y-values with a comma. x - 2y = - 29 and x - y = - 11

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  1. 23 May, 08:38
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    Solve the following system using elimination:

    {x - 2 y = - 29 | (equation 1)

    {x - y = - 11 | (equation 2)

    Subtract equation 1 from equation 2:

    {x - 2 y = - 29 | (equation 1)

    {0 x+y = 18 | (equation 2)

    Add 2 * (equation 2) to equation 1:

    {x+0 y = 7 | (equation 1)

    {0 x+y = 18 | (equation 2)

    Collect results:

    Answer: {x = 7, y = 18
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