SOLUTION: /z/ + 4 = 9 i got the first of it right and it's 5 but the secound half to this problem is-5 i don't understand i got -13 can you please help i also have similar problems like this

Question 121263: /z/ + 4 = 9 i got the first of it right and it's 5 but the secound half to this problem is-5 i don't understand i got -13 can you please help i also have similar problems like this one
Answer by BrittanyM(80) (Show Source): You can put this solution on YOUR website!
Variables inside absolute value brackets are considered to be both positive and negetive because of the properties of absolute values. So since our first answer is five, because of the absolute value, we may instantaneously conclude that the second value is negetive five.
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