Think About the Process Use the algebra tiles to help you solve the equation 3x - 6 = 21. What is
the first step in solving the equation using algebra tiles? What is the solution to the equation?
What is the first step in solving the equation using algebra tiles?
O A. Divide each side of the model by 3.
OB. Add six - 1 tiles to each side of the model.
OC. Multiply each side of the model by 3.