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Math Help - 7x-6x = 0 ?

  1. #1
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    7x-6x = 0 ?

    13x -2(3x -4) = 6(x +2) -4 =
    13x -6x +8 = 6x +12 -4 =
    7x +8 = 6x +8 =
    7x +8 -8 = 6x +8 -8 =
    7x - 6x = 6x -6x =x
    x or 0 ?
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  2. #2
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    Quote Originally Posted by Leona_Marie View Post
    13x -2(3x -4) = 6(x +2) -4 =
    13x -6x +8 = 6x +12 -4 =
    7x +8 = 6x +8 =
    7x +8 -8 = 6x +8 -8 =
    7x - 6x = 6x -6x =x
    x or 0 ?
    x = 0 is the solution to the equation.

    You can see this by plugging it into the original equation:

     13x - 2(3x-4) = 6(x+2)-4

     13(0) - 2(3(0)-4) = 6(0+2)-4

      - 2(-4) = 6(2)-4

      8 = 12-4

      8 = 8

    Yey.
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  3. #3
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    can you explain it in a way I can understand it mush what happend to 13x theres only 12x on the board 13x -12x is x help.
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