asked 231k views
25 votes
Consider the expression 21 - + ).

a. Which operation is done first, subtraction or addition?
b. Write the computation in words.

1 Answer

9 votes
Subtraction is. Pemdas. Whichever comes first left to right is what you should do. In this case subtraction comes before addition, therefore subtraction is the right route
answered
User Tonio Liebrand
by
7.5k points
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