Wednesday, 24 March 2010

Spot the mistake

Spot the mistake:

3(x + 5) = 3x + 5

4(xy + y) = 4x + 4y

7(w - 4) = 7w + 28

6(a + 2) = 6a + 12

6a + 7a + 2b = 15ab

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1 comment:

  1. ATALANTA BANERJEE25 February 2014 at 21:39

    3(x + 5) = 3x +15
    4(xy + y) = 4xy + 4y
    7(w - 4) = 7w -28
    6a + 7a + 2b = 13a+2b

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