Answer :

0Claudia0
Problem:  6|-3|-4|5|
Whenever something is in: |21| in the lines, you would just count the number itself.
So it is: 6·3-4·5 which would equal: 6·3-4·5
The answer to 6·3 is 18, so its 18 minus the answer of 5·4 which is 20.
So its: 18-20= -2
~Hope i helped. :)
naǫ
[tex]|a|=a \hbox{ if } a \geq 0 \\ |a|=-a \hbox{ if } a \leq 0 \\ \\ 6|-3|-4|5|=6 \times 3 -4 \times 5=18-20=-2[/tex]

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