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5 March, 20:53

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?

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  1. 6 March, 00:47
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    Solve:

    1.4n + 2 = 2n + 3.2

    Group like terms and change its corresponding signs.

    1.4n - 2n = 3.2 - 2

    Simplify each term:

    -0.6n = 1.2

    Find n by dividing each side with - 0.6

    -0.6n/-0.6 = 1.2 / - 0.6

    n = - 2

    The last line of the justification is the division - 0.6n and 1.2 by - 0.6.
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