Question

Im trying to get this answered for a friend pls help!

Which property of real numbers is shown below?
13x - 1 = (12x + 15) + 7x
13x - 1 = 7x + (12x + 15)
a. commutative property
b. associative property
c. identity property
d. distributive property

Answer 1

C

Explanation:

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