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.