Simplify: #5-[2-(-4)+11-8]# ?

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Answer 1 · 2017-07-23T14:22:01

Given: #5-[2-(-4)+11-8]#

Starting with #-(-4)# this becomes #+4#:

#5-[2+4+11-8]#

Combine everything within the brackets:

#5-[6+11-8]#

#5-[17-8]#

#5-[9]#

The brackets can be removed:

#5-9#

#-4 larr# simplified.