Mathematics, 29.01.2020 14:03, melissapulido198

Select the correct reasons for statements 1 and 3 to complete the proof.

prove: 5x + 9 • x • 3 = 32x

1. 5x + 9 • x • 3 = 5x + 9 • 3 • x 1. ?
2. 5x + 9 • x • 3 = 5x + 27x 2. multiplication
3. 5x + 9 • x • 3 = 32x 3. ?

associative property of addition, addition

associative property of multiplication, addition

commutative property of multiplication, addition

commutative property of multiplication, multiplication

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Select the correct reasons for statements 1 and 3 to complete the proof.

prove: 5x + 9...