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    ÀÛ¼ºÀÏ : 08-02 13:52
    12¿ù 7ÀÏ_daily_Math_4¹ø¹®Á¦
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    ¾Æ·¡¹®Á¦ °ø½ÄÀÌ Ç¥½Ã°¡ ¾ÈµÇ¾îÀֳ׿ä....^^ ÂüÁ¶Çϼ¼¿ä

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    In the system of equations above, what is the value of x ?

    A. -3

    <?xml:namespace prefix = o />


    b.-1
     


     


     c.2/5
     


     

    D. 1

     


     E.1 3/4

    ÃÖ°í¡¦ 11-08-02 13:52
     
    °ø½ÄÀº 2x + 2y = -4 / 4x+ y = 1 ÀÔ´Ï´Ù.