Respuesta :
the answer is D i just took the test
A.
The student mislabeled the work in the second step as "Addition property of equality."
B.
The student improperly applied the addition property of equality in the second step.
C.
The student computed the sums improperly to arrive at an erroneous answer in step 3.
(D.
There is no error. The student's justification is correct.)