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Algebra
# Absolute Value

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Evaluate \[\lvert 13 \rvert+\lvert -27 \rvert.\]

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Evaluate

\[ \left| \sqrt{5}-2 \right| + \left| \sqrt{5}-3 \right|. \]

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Evaluate \[\big\lvert\lvert-7\rvert-\lvert1\rvert\big\rvert.\]

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Simplify \[\left\lvert {\frac{8}{11} \times (-55)} \right\rvert.\]

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