How do you evaluate #-2+ 7- 3\div [ ( - 2) - 1]#?

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Answer 1 · 2017-03-05T12:16:00

#6#

#-2+7-3-:[(-2)-1]#

#-2+7-(3-:-3)#

#-2+7-(cancel3^color(red)1/color(red)1 xxcolor(red) 1/-cancel3^color(red)1)#

#- xx - =+#

#-2+7+1#

#-2+8#

#:.color(red)(=6#