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Mathematics
Algebra
Absolute value
Can anyone help me with this problem, I have not done this problem before, and there is no examples in my textbook on how to do it: evaluate |-9| - |-4|.
1 answer
The rules are to do the operations inside the || brackets, then do what is outside. In this case, |-9| = 9 and |-4|=4; then 9-4=5
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