SOLUTION: 4-[3k+1]<2 the[] are absolute value symbols

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Question 230602: 4-[3k+1]<2 the[] are absolute value symbols
Answer by solver91311(24713) About Me  (Show Source):
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Next time use the 'pipe' symbol, Shift-Backslash, to indicate absolute value. Square brackets are just like parentheses, so cause confusion when used for absolute value.



Add -4 to both sides:



Multiply by -1 (remember to change the sense of the inequality)



Apply the definition of absolute value:



So:



Or



So the solution set is

Or in interval notation:

John