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17 June, 07:13

one number added to three times another number is 24. Five times the first number added to three times the other number is 36. Find tue numbers

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  1. 17 June, 07:41
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    The value of x, the first number, is equal to 3. The value of y, the second number, is equal to 7.

    x + 3y = 24

    5x + 3y = 36

    We can subtract both equations from each-other to cancel out a variable.

    After doing so, we're left with:

    -4x = - 12

    Multiply each term by - 1

    4x = 12

    Divide both sides by 4.

    x = 3

    Now that we have a value for x, we can solve for y.

    Plug this value into the first equation.

    3 + 3y = 24

    Subtract 3 from both sides.

    3y = 21

    Divide both sides by 3.

    y = 7
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