How do you evaluate #-5- ( + 8)#?
1 Answer
Mar 4, 2018
Explanation:
Any addition/subtraction of values can be understood easily by using a number line. A negative value (-) is placed (for a value) or moved (for a subtraction) to the left, and a positive value (+) is placed (for a value) or moved (for an addition) to the right.
So, we start with 'placing' the "-5" five units left of zero. Then we have a positive value (8) being subtracted (-) or moving to the left some more. 8 units "left" of
IF it had been