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Solve the following pair of linear …

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Solve the following pair of linear equations by the substitution method x+y=14,x−y=4

    • Posted by Jainpriyanka Mehta 1 year, 9 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Sparshika Singh 1 year, 9 months ago

    x+y=14 x=14-y___(1) Substituting value in second equation x-y=4 14-y-y=4 14-2y=4 10=2y y=5 From (1) x=14-y =14-5 =9

    0Thank You

    Banty Kumari 1 year, 9 months ago

    X+Y=14-------(i) X-Y=4--------(ii) From eq----(i) X+Y=14 Y=14-x---------(iii) Putting its value in eq-------(ii) X-Y=4 X-(14-x)=4 X-14+x=4 2x-14=4 2x=4+14 2x=18 X=18/2 X=9 Putting it's value in eq-------(iii) Y=14-x Y=14-9 Y=5 •:x=9,y=5

    0Thank You

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