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Mathematics, 24.08.2021 06:30 sierrawalk6104

Identify the property that justifies each step asked about in the answer area below. Line 1: (2x + 9) + 5x

Line 2: (9 + 2x) + 5x

Line 3: 9+ (2x + 5x)

Line 4: 9 + 7x

Line 1 to Line 2:

Line 2 to Line 3:

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