How do you compute #-77+(-46)#?

1 Answer
MJB
Mar 2, 2018

-123

Explanation:

#+(-# is equivalent to #-# , so

#-77+(-46)# is the same as #-77-46#
a negative minus a negative can be seen like addition; #77+46# which #=123#

now move just the negative sign in front giving us

#-123#

as the answer

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