Question

Indicate which property is illustrated in Step 4.

Step 1 5 - 10x - 5 + 11x = (5 - 10x) + (-5 + 11x)
Step 2 = (5 - 10x) + (11x - 5)
Step 3 = 5 + (-10x + 11x) - 5
Step 4 = 5 + (-10 + 11)x - 5
Step 5 = 5 + x - 5
Step 6 = x + 5 - 5
Step 7 = x + 0
Step 8 = x

identity
distributive
associative
commutative

Answer 1

b