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5 June, 22:40

Solve for n. 0.3 (5-n) = 0.4 - 0.2 (n-7)

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  1. 5 June, 23:06
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    0.3 (5-n) = 0.4 - 0.2 (n-7)

    Distribute: 1.5 - 0.3n = 0.4 - 0.2n + 1.4

    Combine: - 0.3 = 0.1n

    Divide: - 3 = n
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