math

The difference between the age of two cousins is 10 years.15 years ago,if the elder one was twice as old as the younger one,fund their present age

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  1. x and (x+10)

    (x+10) - 15 = 2 (x-15)

    x - 5 = 2 x - 30

    x - 25 = 0

    x = 25
    x+10 = 35

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