The given equation has been solved in the table.
Step
Statement
2
1
Źr – 9 = –13
2
- 9 + 9 = -13 + 9
3
= -4
4
ယ်
NICO
=
5
r = -6
In which step was the addition property of equality applied?
A.
step 2
B.
step 3
OC.
step 4
D.
The addition property of equality was not applied to solve this equation.