2|2x-3|+12>18 help college ag

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2|2x-3|+12>18

May 30th, 2015

2|2x-3|+12>18

case 1    2x-3 > 0 

 x > 3/2

This then becomes 2 (2x-3) + 12 > 18

  2 ( 2x -3)  + 12 > 18

2 (2x -3) > 18 -12

2(2x -3) > 6

2x -3 > 3

 2x > 6

x > 3

Case 2     x < 3/2

-2 (2x -3 ) + 12 > 18

-2 (2x -3) > 18 -12

-2 (2x-3) > 6

2x -3 < 6/-2

2x -3 < -3

2x < 0 

x <0


May 30th, 2015

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