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December 20, 2014

December 20, 2014

Posted by **Robin** on Sunday, April 11, 2010 at 8:01pm.

0.5x+1 <=1.3x-6

-1.3x -1.3x

.8x+1-1<=-6-1

.8x <=-7

{x|x <= or >= 7/80

or 8.75

The answer seeking is either integer or decimal it states.

My answer is {x|x <= 8.75

Is is right?

- Mat 116 -
**Reiny**, Sunday, April 11, 2010 at 8:12pm0.5x+1<=1.3x-6

.5x - 1.3x ≤ -6 - 1

-.8x ≤ -7

x ≥ 7/.8

x ≥ 8.75

{x|x ≥ 8.75 }

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