What is the solution set of #-1<=3+4x<23#?

1 Answer
Nov 28, 2017

Solution set in interval notation: # x | [-1,5)#

Explanation:

# -1 <= 3+4x <23 # or

# -1 -3<= 3+4x-3 <23 -3# or

# -4 <= 4x <20 # or

# -4/4 <= (4x)/4 <20/4 # or

# -1 <= x < 5 #.

Solution : # -1 <= x <5 #

Solution set in interval notation: # x | [-1,5)# [Ans]