Posted by kimmi on Monday, October 19, 2009 at 6:23pm.
If r is >= 8, then it is not true. (|3-8| = 5)
If r is <= -2, then it is not true, (|3-(-2)| = 5)
So r is a member of the interval ]-2, 8[, carefully not including either -2 or 8 themselves.
How do you solve multi-step inequalities with fractions?
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