200
The Add-Opp property when x = 2 and y = - 10
a. 2 - -10 = 2 + - (-10)
b. 2 - -10 = 2 - 10
c. 2 + -10 = 2 - 10
What is
a. 2 - - 10 = 2 + - (-10)
For any numbers, x and y, x - y = x + - y
In words, subtracting y is the same as adding the opposite of y.