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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- Jan 27th 2009, 07:14 PM #1

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- Jan 27th 2009, 07:17 PM #2

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- Jan 27th 2009, 07:42 PM #3

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