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18-09-2018
Mathematics

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Distributive property/collecting like terms. 4n -2 - 2n

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18-09-2018

Distributive property: a(b + c) = ab + ac

4n - 2 - 2n = 2(2n - 1 - n)

4n - 2 - 2n = 2n - 2 = 2(n - 1)

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