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if YZ=10 and Y lies at -5, where would Z be located?

Suppose that Y and Z are points on a number line

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Mark M. | Math Tutor--High School/College levelsMath Tutor--High School/College levels
4.9 4.9 (820 lesson ratings) (820)
Z is either 10 units to the left of -5 or 10 units to the right of -5.
So, Z = -15 or 5
Michael J. | Effective High School STEM Tutor & CUNY Math Peer LeaderEffective High School STEM Tutor & CUNY ...
5.0 5.0 (5 lesson ratings) (5)
Solve this equation for Z.
-5Z = 10


This has to do with distance between two points on a number-line, Michael, so it's not multplication (YZ).
The question was poorly stated then.