Anonymous

What Is X Minus 2x?

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Goaty McSheepson Profile

x - 2x

Let x = 1:

1 - (2 x 1)

1 - 2 = -1

therefore

(1)x - 2x = -(1)x

really, the inputed "1"s are unnecessary, as it means the same thing, but I may as well have them there.

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Anonymous