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24 February, 07:53

Alana incorrectly simplified the expression (-14a + 12) - (-10a + 13) as - 24a + 25 describe her error

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  1. 24 February, 08:21
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    The answer should be - 4a-1. This is because you have to open the box.

    - (-10a+13)

    Two negatives become positive so she should have had - 14+10 to make - 4 and 12-13 to make - 1. A negative and positive together, the negative always wins so that why you subtract.
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