Sagot :
1.)D.Subtraction Property
- whatever is subtracted from one side of the equal sign
must be subtracted from the other side for any numbers a, b and c
if a = b
then a - c = b
2.)A.Addition Property
- Because for all real numbers a , b , c and d , if a = b , and c = d then a + c =b + d
Step-by-step explanation: