How do you evaluate #12-8div2#?

1 Answer
EZ as pi
Mar 2, 2018

#8#

Explanation:

Count the number of terms first. There are two terms:

Simplify each to a single answer which can be added or subtracted in the last step.

Do the division fisrt

#color(blue)(12" ")color(red)(-" "8div2)#
#color(white)(aaaaaaaaaaa)darr#
#=color(blue)(12" ")color(red)(-" "4)#

#=8#

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