Solve the following inequality algebraically. ∣x−5∣ + 11 <= 18
|x−5|+11≤18
|x−5|+11−11≤18−11
|x−5|≤7
Applyabsoluterule:If|u|≤a,a>0then−a≤u≤a
−7≤x−5≤7
x≥−2andx≤12
==−2≤x≤12
Very nice, Vinculum !!!!!