Answer:
1) 8 + - 8 = 0
2) -20 + 20 = 0
3) a+ - a = 0
Q3
3) Identity property
Explanation:
Q2
a) 8 + - 8 = 0
b) -20 + 20 = 0
c) a+ - a = 0
4.7m questions
6.1m answers