ysushvwwc ysushvwwc
  • 26-05-2017
  • Mathematics
contestada

I need help is it A B C Or D

I need help is it A B C Or D class=

Respuesta :

manmeet1 manmeet1
  • 26-05-2017
The answer to this question is B
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morgaine816
morgaine816 morgaine816
  • 26-05-2017
\left|3x+6\right|\ < 12 equals
3x+6<12 and 3x+6>-12 so we have to solve for x in each inequality:

3x+6<12
Subtract 6 from both sides
3x-6+6<12-6
3x<6
Divide each side by 3
x<2

Now, the other one:
3x+6>-12
3x>-12-6
3x>-18
x>-6

So your answer is -6<x<2 or D
Answer Link

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