How do you simplify #125-43+13# using PEMDAS?
Adding and subtracting with positive and negative values often leads to confusion.
Note that a sign in front of a number applies ONLY to that number.
The answers for these are
The easiest way to avoid confusion is to re-arrange the numbers we are allowed to do (which according to the commutative law).
Place the additions at the front of the expression and the subtractions at the end.