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Posted by on Tuesday, March 19, 2013 at 5:39pm.

Four times a certain number is the same as the number increased by 78. Find the number


i thought it was 20.plz help

  • math ALG 2! - , Tuesday, March 19, 2013 at 5:43pm

    4x = x + 78

    3x = 78

    x = 26

  • math ALG 2! - , Tuesday, March 19, 2013 at 5:46pm

    4x=x+78
    4(20)=20+78
    80=98
    no

    i did guess and check
    4(26)=26+78
    104=104

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