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12 February, 07:45

Solve this system of linear equations. Separate the x and the y values with a comma.

16x=50-14y

-7x=77-14y

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  1. 12 February, 09:09
    0
    16x = 50 - 14y

    -7x = 77 - 14y

    Rewrite the first equation.

    Multiply the second equation by - 1 and write under the first equation.

    Then add the equations.

    16x = 50 - 14y

    7x = - 77 + 14y

    Add to get:

    23x = - 27

    x = - 27/23

    Now substitute this value of x in the first original equation and solve for y.

    16x = 50 - 14y

    16 (-27/23) = 50 - 14y

    -432/23 = 1150/23 - 14y

    -1582/23 = - 14y

    y = 113/23

    -27/23, 113/23
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