Write the opposite of each integer.
-10
-21
14
0
13
-8
150
-1
Ex: The opposite of -5 is 5 because -5 + 5 = 0.
The opposite of 7 is -7 because 7 + (-7) = 0.
To find the opposite of an integer, simply change its sign from positive to negative, or from negative to positive. Here are the opposites of each integer you provided:
-10 becomes 10
-21 becomes 21
14 becomes -14
0 remains 0 (the opposite of 0 is still 0)
13 becomes -13
-8 becomes 8
150 becomes -150
-1 becomes 1