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Mathematics 9 Online
OpenStudy (anonymous):

Explain why there is no solution to the inequality |w - 2| + 5 < 3.

OpenStudy (jamesj):

Notice first that |w - 2| + 5 < 3 implies that |w - 2| < -2 Now the question is, can the absolute value of anything be less than -2? Is there any number x such that |x| < -2? Or that |x| = -2?

OpenStudy (jamesj):

For example x = 2 then |x| = 2 x =-2 then |x| = 2 So what number |x| is there such that |x| = -2?

OpenStudy (jamesj):

The answer is there no such number. Now the question for you is why. Once you know the answer to that you wil know the answer to your problem too. If you're stuck, go back to the definition of absolute value.

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