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Solve X + Y = 11 …

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Solve X + Y = 11 and 2 x - 4 Y = - 2 and hence find the value of m for which Y = mx- 3

    • Posted by Prachi Vashistha 5 years, 11 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Kruthika:Ammu ???? 5 years, 11 months ago

    X==7 Y==4 m==1

    1Thank You

    Aadya Singh ? 5 years, 11 months ago

    By solving these equation, we get, x = 7 and y = 4. Now, by putting the value of x and y in y = mx-3, we get,
    4 = m×7-3
    => m = 7/7
    => m = 1

    5Thank You

    Eera Sharma 5 years, 11 months ago

    X = 11 - Y( _1) Putting "X" in othe eq.. We get, 2×(11-Y) - 4 Y =-2 22- 2Y -4Y =-2 -6Y = - 24 Y= 4 Therefore X = 7 Putting in 3rd eq.. We get, 11= m7 - 3 m = 2

    4Thank You

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