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14 October, 06:42

The solution is n = - 2 verified as a solution to the equation 1.4n 2 = 2n 3.2. what is the last line of the justification? a. 0.8 = 0.8 b.-0.8 = - 0.8 c. 3 = 3 d.-3 = - 3

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  1. 14 October, 06:57
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    The justification:

    1.4 · (-2) + 2 = 2 · (-2) + 3.2

    -2.8 + 2 = - 4 + 3.2

    - 0.8 = - 0.8

    Answer: B)
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