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algebra

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One number is 10 more than twice another.Their product is 10 more than twice their sum.Find the numbers.

  • algebra - ,

    a = 2b+10
    ab = 2(a+b)+10

    (2b+10)b = 2(2b+10+b)+10
    b=3 or -5
    a=16 or 0

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