How do you find the difference #16-(-12)#?

1 Answer
sjc · EZ as pi
Dec 28, 2016

#28#

Explanation:

#16-(-12)#

remove the brackets

#16--12#

two negative signs together change to a positive

#16+12=28#

sign rules

#+ + =+#

#- - =+#

#- + =-#

#+ - =-#

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