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Which inequality is equalivalent to |x-4|<9​
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Which inequality is equalivalent to |x-4|<9​

User Bharat Chodvadiya
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1 Answer

4 votes

Answer:

-5 < x < 13

Explanation:


|x-4|<9\iff x-4<9\ \wedge\ x-4>-9\qquad\text{add 4 to both sides}\\\\x<13\ \wedge\ x>-5\to-5<x<13

User Mohanrajan
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