Mathematics, 16.09.2021 20:00, rosieposie27

Indicate which property is illustrated in Step 2. Step 1 6x + 3 + 7x + 4 = (6x + 3) + (7x + 4)
Step 2 = 6x + (3 + 7x) + 4
Step 3 = 6x + (7x + 3) + 4
Step 4 = (6x + 7x) + (3 + 4)
Step 5 = (6 + 7)x + (3 + 4)
Step 6 = 13x + 7

A.
distributive
B.
associative
C.
commutative
D.
arithmetic fact

Answers: 3

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Indicate which property is illustrated in Step 2. Step 1 6x + 3 + 7x + 4 = (6x + 3) + (7x + 4)