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September 17, 2014

September 17, 2014

Posted by **Elle** on Tuesday, January 20, 2009 at 3:31pm.

I presume that I just plug in numbers for x? The problem is, that all the positive numbers I've tried have made them way less than one, when its supposed to be greater than or equal to. Are negative numbers the answer?

Thanks!

- Algebra -
**PsyDAG**, Wednesday, January 21, 2009 at 9:58am3 - 4x = 9

-4x = 6

x = -6/4 = -1.5 = highest value for x in interval of solutions.

With this, you should be able to do a similar process to find the lowest value to define "length of the interval of solutions".

I hope this helps. Thanks for asking.

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