SOLUTION: Find all values of z such that 3-z/z+1 >= 1. Answer in interval notation.

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Question 830467: Find all values of z such that 3-z/z+1 >= 1. Answer in interval notation.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
3-z%2Fz%2B1+%3E=+1
3-z%3E=z%2B1
2z%3C=-2
z%3C=-1
However since when z=-1, the denominator goes to zero so we cannot allow that value.
z%3C1
or in interval notation (-infinity,1).