What is the justification for step 2 in the solution process?

Answer:
D) the subtraction property of equality
Step-by-step explanation:
1/2r +1/2= -2/7r -29/7 Subtracting 1/2 from both sides
1/2r +1/2 - 1/2= -2/7r -29/7- 1/2
1/2r = -2/7r - 29(2)-7/14
1/2r = -2/7r -65/14
Answer:
The subtraction property of equality.
Step-by-step explanation:
I did the test and I got it correct. :D