Question

When attempting to do his homework, Mark incorrectly uses the addition property of equality below. Which statement would correct Mark’s error?
1) 8 + x = 2
2) 8 – 8 + x = 2
3) x = 2
A.
To balance the equation, Mark should also subtract 2 from the right side of the equation in step 2.
B.
To balance the equation, Mark should also subtract 2 from both sides of the equation in step 2.
C.
To balance the equation, Mark should also subtract 8 from the right side of the equation in step 2.
D.
To balance the equation, Mark should also add 8 to both sides of the equation in step 2.