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21-03-2017
Mathematics

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Which of this these does NOT satisfy the equation below -2x-6 less or equal to 1. A. -4 B. -3 C. -2 D. -1

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21-03-2017

-2x-6≤1 add 6 to both sides

-2x≤7 divide both sides by -2 (and reverse sign because of division by negative)

x≥-3.5

A. -4 is less than -3.5 so it does not satisfy the inequality.

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