How do you solve #abs(10+x)<=13#?
1 Answer
Apr 15, 2017
Explanation:
Inequalities of the type
#|x|<=a# always have solutions of the form.
#-a<=x<=a#
#rArr-13<=10+x<=13# Isolate x in the centre interval by subtracting 10 from ALL 3 intervals.
#-13-10<=cancel(10)cancel(-10)+x<=13-10#
#rArr-23<=x<=3" is the solution"#
