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26 March, 09:25

The sum of two numbers is 12. 3 times the first number decreased by the second number is 24. Find the numbers.

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  1. 26 March, 10:27
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    9 and 3

    Step-by-step explanation:

    Let the first number be x and second number be y hence their sum

    x+y=12 ... (1)

    Making x the subject theb x=12-y

    Three times be first number is 3x

    3x-y=24 ... (2)

    Adding the two sets of equations then

    4x=36

    X=36/4=9

    The second number will be 12-9=3

    So the first number is 9 and second is 3
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