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22 July, 12:19

One number is 4 for less than a second number. twice the second number is 19 more than three times the first. Find the two numbers

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  1. 22 July, 12:25
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    Step-by-step explanation:

    first number = x

    second number = y

    x = y - 4

    2y = 3x + 19

    substitute x to the second equation

    2y = 3 (y-4) - 4

    2y = 3y - 16

    -y = - 16

    y = 16

    Go back to first equation

    x = y - 4

    x = 16 - 4

    x = 12
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