elect
The given equation has been solved in the table.
Step
1
2
3
4
5
H|C
-
O C.
O D.
Statement
2-7=-7
7+7=-7+7
20
=
22/
= 2 0
x = 0
.
In which step was the subtraction property of equality applied?
O A. step 2
OB.
step 3
step 4
The subtraction property of equality was not applied to solve this equation.