How do you solve and write the following in interval notation: #-4x-3<21#?
1 Answer
May 27, 2018
Explanation:
#"isolate "-4x" by adding 3 to both sides"#
#-4x<24#
#"divide both sides by "-4#
#color(blue)"reversing the sign as a consequence"#
#x> -6" is the solution"#
#x in(-6,oo)larrcolor(blue)"in interval notation"#
#"the curved bracket indicates that x cannot equal the"#
#"values shown in the bracket but can equal all values"#
#"between them"#
