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Simplify 18 - 2[x + (x - 5)].

13 - x
13 - 4x
8 - 4x
28 - 4x

User Lafi
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1 Answer

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18 - 2[x + (x - 5)] = 18 - 2(x + x - 5) = 18 - 2(2x - 5) = 18 - 4x + 10 = 28 - 4x
User Tvirtualw
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