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March 26, 2017

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I did it right but the paper saud im rong i think the paper is rong lol


the prob is 4(5n-7)=10n+2

the answer i got is -3

  • math - ,

    um i got n=3

  • math - ,

    oh so i jus gotthe intgers rong
    ty

  • math - ,

    the correct answer is 3

    4(5n-7) = 10n+2
    20n-28 = 10n+2
    20n= 10n+30
    10n=30
    n=3

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