SOLUTION: | z-1 | = 7z-13
Algebra.Com
Question 984843: | z-1 | = 7z-13
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Check for the two possibilities of z-1 being non-negative and being negative.
z-1 non-negative:
z-1 NEGATIVE:
Examine on a number line to help this seem sensible-------
CHECK THIS LAST PART---
------NOT ACCEPTABLE
Only acceptable is .
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