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13 November, 20:20

The sum of two numbers is 20. three times the smaller is equal to twice the larger. find the numbers

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  1. 13 November, 20:33
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    Step-by-step explanation:

    Translate from English to Math:

    x+y=20 [The sum of two numbers is twenty]

    3x=2y [Three times the smaller is equal to twice the larger]

    .

    x=20-y [Solve for x]

    3 (20-y) = 2y [Substitute (x=20-y) into the second equation]

    60-3y=2y [Solve for y]

    60=5y

    60/5=y

    12=y

    .

    x+y=20 [Plug (y=12) back into either of the original equations]

    x+12=20 [solve for x]

    x=8

    .
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