How do you evaluate #9- 12+ 5- 8#?

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Answer 1 · 2017-03-26T23:12:45

#-6#

Since this has only subtraction and addition, we evaluate it from left to right

#9-12+5-8#

#-3+5-8#

#2-8#

#-6#

If it had other signs of operation like division and multiplication, you would use PEMDAS (or BODMAS... depends on where you are)

P - Parenthesis
E - Exponent
M - Multiplication
D - Division
A - Addition
S - Subtraction

B - Bracket
O - Of...i.e multiplication aslo
D - Division
M - Multiplication
A - Addition
S - Subtraction