SOLUTION: Can you please tell me if I'm doing this right? PLEASE HELP!!! Thanks. (I'm using l to represent absolute value because my keyboard doesn't have what I need to correctly represe

Algebra ->  Inequalities -> SOLUTION: Can you please tell me if I'm doing this right? PLEASE HELP!!! Thanks. (I'm using l to represent absolute value because my keyboard doesn't have what I need to correctly represe      Log On


   



Question 233069: Can you please tell me if I'm doing this right? PLEASE HELP!!! Thanks.
(I'm using l to represent absolute value because my keyboard doesn't have what I need to correctly represent it).
la -4 l(greater than or equal to) 8
a-4 (greater than or equal to) 8
add 4
a (greater than or equal to 12
a-4 (less than or equal to -8
add four
a (less than or equal to) -4
Answer= a (greater than or equal to) 12 and a(less than or equal to) -4

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Your answer is correct!
abs%28a-4%29+%3E=+8 Remove the absolute-value bars to get:
a-4+%3E=+8 or a-4+%3C=+-8 Add 4 to both sides in each inequality.
highlight%28a+%3E=+12%29 or highlight%28a+%3C=+-4%29