Steps for solving 5(2x-8)= 20 are shown.

5(2x-8)-20
10x-40-20
Original Equation
10x-40+4020+40
Step 1 Step 2
10x60
Step 3
10x 60
Step 4
10 10
X-6
Step 5
Which of these is not part of the solution process?
A. Combining like terms
B. Using the distributive property
C. Using the commutative property
D. Dividing both sides by 10 to isolate the variable

C. Using the commutative property