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August 20, 2014

August 20, 2014

Posted by **Kevin** on Tuesday, March 2, 2010 at 6:53pm.

|5x + 7| - 2 < 4

<------------------------>

-5 -4 -3 -2 -1 0 1 2 3 4

- Math -
**Reiny**, Tuesday, March 2, 2010 at 8:20pm|5x + 7| - 2 < 4

|5x + 7| < 6

5x+7 < 6 AND -5x - 7 < 6

5x < -1 AND -5x < 13

x < -1/5 AND x > -13/5

-13/5 < x < -1/5

draw "open" dots at -13/5 and -1/5 and join with a solid line

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