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2x-y=7, x+y=5

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2x-y=7, x+y=5

    • Posted by Dimple Jeenwal 1 year, 9 months ago

    CBSE > Class 10 > Mathematics
    • 1 answers

    Aditi Srivastava 1 year, 9 months ago

    2x-y=7 2x=7+y y=2x-7 (i) now, x+y=5 (ii) (putting value of y in (ii)) x+2x-7=5 3x=5+7 3x=12 x=12/3 x=4 putting value of x in (i) y=2(4)-7 y=8-7 y=1

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