Answers

2014-05-05T18:27:20+08:00
You want to first separate the negative seven...

4l3w+1l = 24 

divide both sides by 4 

you get

l3w+1l= 6

because it's absolute value, you have two answers...

3w+1 = 6  or     3w+1 = -6

transpose        

3w= 6-1           3w = -6-1

w= 5/3             w= -7/3
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