What is #9+8 -: (-4)-12#?

1 Answer
Hope W.
Mar 29, 2016

#-5#

Explanation:

You have to go by the order of operations.

  1. Parentheses
  2. Exponents
  3. Multiply/Divide (Left to right)
  4. Add/Subtract (Left to right)

#9+8-:(-4)-12#
The parentheses are showing that the 4 is negative.
There are no exponents.
Next, multiply/divide from the left to the right.
#9+8-:(-4)-12#
#9+(-2)-12#
Next, add/subtract from left to right
#9+(-2)-12#
#7-12#
#-5#

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