Answer:
Additive property
Step-by-step explanation:
Given
[tex]x - 5 = -14[/tex]
Required
The property used
In the 2nd step, 5 was added to both sides, i.e.
[tex]x - 5+5 = -14 + 5[/tex]
The above is an illustration of additive property of equality, i.e. Adding or subtracting the same variable or constant to both sides of an equation