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math

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Name the point of intersection for the following system, if it exists.

4x – 3y = -3
3x – y = -6

  • math -

    3 x – y = - 6

    3 x + 6 = y

    y = 3 x + 6


    4 x – 3 y = - 3

    4 x - 3 ( 3 x + 6 ) = - 3

    4 x - 3 * 3 x - 3 * 6 = - 3

    4 x - 9 x - 18 = - 3

    - 5 x - 18 = - 3

    - 5 x = - 3 + 18

    - 5 x = 15 Divide both sides by - 5

    x = 15 / - 5

    x = - 3


    y = 3 x + 6

    y = 3 * ( - 3 ) + 6

    y = - 9 + 6

    y = - 3


    Point with coordinates:

    x = - 3

    y = - 3

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