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8 April, 17:57

Is 2 (9z + 9w) + 12w equivalent to 18w + 30z

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  1. 8 April, 20:56
    0
    No those two are not equivalent because you get 18z+18w+12w and then you combine the W's which is 18z+30w.
  2. 8 April, 21:36
    0
    No

    2 (9z + 9w) + 12w

    = 18z + 18w + 12w

    =18z + 30w

    not equal 18w + 30z
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