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If x=a, y=b is the solution …

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If x=a, y=b is the solution of the pair of equation x-y=2 and x +y=4 find the value of a and b

    • Posted by Mohamed Jabrin 6 years, 11 months ago

    CBSE > Class 10 > Mathematics
    • 3 answers

    Dhyanu Kumar 6 years, 11 months ago

    x=a=3 y=b=1

    1Thank You

    Dhyanu Kumar 6 years, 11 months ago

    Given= x=a and y=b The equation are x-y=2. equation-1 x+y=4. equation-2 Adding equation 1 form equation 2 x+y=4 x-y=2 2x=6 x=6/2 x=3 Substitute the value of x in eq 2 x+y=4 3+y=4 y=4-3 y=1

    0Thank You

    Yogita Ingle 6 years, 11 months ago

    x = a , y = b

    x - y = 2
    a - b = 2....... (i)
    x + y = 4
    a + b = 4 ....... (ii)
    Add (i) and (ii)
    2a = 6
    a = 6/2 = 3
    But a = 3 in (ii)
    3 + b = 4
    b= 4 - 3
    b = 1
    So, a = 3 and b = 1

    0Thank You

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    Posted by Kanika . 1 month ago

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