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anonymous

  • 5 years ago

the 2nd of 3 numbers is 4times the 1st number. The 3rd number is 12 less than the 1st. Find three numbers given that their sum is 42

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  1. anonymous
    • 5 years ago
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    1st:9,2nd:36,3rd:3

  2. anonymous
    • 5 years ago
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    wait that is wrong

  3. anonymous
    • 5 years ago
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    let the first number be x and express each in terms of x...

  4. anonymous
    • 5 years ago
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    third is -3

  5. anonymous
    • 5 years ago
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    then x + 4x + (x-12) =42

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