Question

Which of the following is an example of a valid use of the addition property of equality?



A.

to isolate the z in the equation z + 8 = 14, add 8 to both sides of the equation


B.

to isolate the z in the equation z + 8 = 14, add –8 to both sides of the equation


C.

to isolate the z in the equation 8z = 14, add 8 to both sides of the equation


D.

to isolate the z in the equation 8z = 14, subtract 8 from both sides of the equation