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Inequalities: 3|x+2|-12<0?
I need help with this, also I need to know if the problem has a solution.
2 Answers
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- ajLv 41 decade agoFavorite Answer
3|x+2|-12<0
First isolate the |x+2|.
|x+2|<4
Now x+2<4 and x+2>-4, or another way to write it is -4<x+2<4.
-6<x<2 is your answer.
Source(s): I'm a math tutor. - DLv 41 decade ago
3|x-2|-12<0 add 12 on both sides
+12 +12
3|x-2|<12 divide by 3
- -
3 3
x-2> 4 plus 2 on both sides
+2 +2
x> 6 answer
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