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Algebra

The difference of two numbers is 12. The sum of the larger number and 3 times the smaller number is 20. Find the larger number.

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  1. i think i have to make a table?
    x/y
    6/18
    3/9
    1/6

    the larger number is y so is the larger number 18?

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  2. Basic algebra question:

    let the large number be x
    let the smaller number be y

    x - y = 12
    x + 3y = 20
    subtract them
    4y = 8
    y = 2
    in x-y=12
    x -2=12 ---> x = 14

    the larger number is 14, the smaller is 2

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  3. thank u!!!!!!

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