Question

Which property is used in Step 5 of simplifying the expression five times the quantity z minus x end quantity plus z plus zero?

Expression: 5(z – x) + z + 0

Step 1: 5z – 5x + z + 0

Step 2: 5z + z – 5x + 0

Step 3: 5z + 1z – 5x + 0

Step 4: 6z – 5x + 0

Step 5: 6z – 5x


Distributive Property

Zero Property of Multiplication

Identity Property of Addition

Commutative Property of Addition