Question

Indicate which property is illustrated in Step 2.

Step 1 11 + 9x - 11 - 2x + 5 = 11 + (9x - 11) - 2x + 5
Step 2 = 11 + (-11 + 9x) - 2x + 5
Step 3 = [11 + (-11)] + (9x - 2x) + 5
Step 4 = 0 + (9x - 2x) + 5
Step 5 = (9x - 2x) + 5
Step 6 = (9 - 2)x + 5
Step 7 = 7x + 5
@Isaiah.Feynman

Answer 1

Same thing. Commutative property.