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Mathematics

If the replacement set is the set of real numbers, solve :

-4x ≥ -16

Linear Inequations

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Answer

-4x ≥ -16

⇒−4x−4≤−16−4⇒x≤4\Rightarrow \dfrac{-4x}{-4} \le \dfrac{-16}{-4} \\[1em] \Rightarrow x \le 4

∴ Solution set = {x : x ∈ R and x ≤ 4}

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