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Math Help - Solve the linear system.

  1. #1
    Newbie Silverstaraptor's Avatar
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    Exclamation Solve the linear system.

    3x-y=-6
    x+y=2

    Please, I really need help. OMGGGZZZZ I NEED HELP NOW PPLLZZZ!!!!!!!
    (hehehe...I know i shouldn't say that...)
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  2. #2
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    Quote Originally Posted by Silverstaraptor View Post
    3x-y=-6
    x+y=2

    Please, I really need help. OMGGGZZZZ I NEED HELP NOW PPLLZZZ!!!!!!!
    (hehehe...I know i shouldn't say that...)

    3x - y = -6, (1)

    x + y = 2, (2)


    (1) + (2): 4x = -4 \implies x = -1.


    Substitute back into (2)

    -1 + y = 2

    y = 3.


    Therefore, your solution is (x, y) = (-1, 3).
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