Question 227211
(+9) + (-8) is the same as (+9) - (+8).


You would subtract.


the answer is 9 - 8 = 1


It's the operator combined with the sign that determines what you do.


The sign is within the parentheses.  It tells you whether the number is negative or positive.


the operator is outside the parentheses.  It tells you whether you will be adding or subtracting.


adding a negative number is the same as subtracting a positive number.


+ (-9) is the same as - (+9)


when you combine the operator with the sign, the rules are:


++ means add
+- means subtract
-+ means subtract
-- means add


the first sign is the operator.


the second sign is the sign of the operand (the number you are working on).


check the following website out.


It might help clarify it.


<a href = "http://www.mathsisfun.com/positive-negative-integers.html" target = "_blank">Adding and Subtracting Positive and Negative Numbers</a>