SOLUTION: Solve and check for extraneous solution. [4x]=28

Algebra ->  Absolute-value -> SOLUTION: Solve and check for extraneous solution. [4x]=28      Log On


   

Question 579386: Solve and check for extraneous solution.
[4x]=28
Answer by mrjunecarlo1095@ymail.com(10) About Me  (Show Source):
You can put this solution on YOUR website!
let:
-28 = 4X = 28
-28/4 = X = 28/4
Thus X is equal to -7 and 7