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Mathematics 18 Online
OpenStudy (anonymous):

How do I start this? Find all solutions of the equation: ||x-3| -5| = 1

OpenStudy (dangerousjesse):

Divide both sides by 5 \(|x-3|=1\div 5\)

OpenStudy (dangerousjesse):

\(1\div 5=.2\)

OpenStudy (dangerousjesse):

\(|x-3|=.2

OpenStudy (dangerousjesse):

Add three to both sides

OpenStudy (dangerousjesse):

\(|x|=3.2\)

OpenStudy (dangerousjesse):

So your answer is..?

OpenStudy (anonymous):

Thanks. So |x| = 3.2, do I plug that back into the equation?

OpenStudy (anonymous):

what??

OpenStudy (anonymous):

that was some other answer to some other question, not this one @DangerousJesse slept this i think

OpenStudy (anonymous):

\[||x-3| -5| = 1\] get rid of first absolute values to give two equations \[|x-3|-5=1\] or \[|x-3|-5=-1\] then work with those

OpenStudy (anonymous):

Ok much better. That looks more like what my professor was showing us. Thank you!

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