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    GK Olympiad Hindi Math Science English
    TEXTBOOK SOLUTIONS ASK & ANSWER My Q & A

    Q. If 3x + y = 19 , and x + 3y = 1.

    Find the value of 2x + 2y

    a) 10 b) 20 c) 5 d) 40

    A d d i n g   b o t h   t h e   e q u a t i o n   ,   3 x + y + x + 3 y   =   19 + 1 4 x + 4 y   =   20   2 2 x + 2 y =   20   2 x + 2 y   =   10  

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