Answer:
Option b is correct
Subtraction property of equality
Explanation:
Subtraction property of equality states that you subtract the same number to both sides of an equation i.e
if a = b
then;
a-c = b-c
As per the statement:
Given information:
If

By subtraction property of equality:
Subtract 5 from both sides we have;
then;
x = 10
Therefore, the Subtraction property of equality justifies the conclusion based on the given information.