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Mathematics 15 Online
OpenStudy (anonymous):

Indicate which property is illustrated in Step 1. Step 1 12x + 6 + 3x + 7 = (12x + 6) + (3x + 7) Step 2 = 12x + (6 + 3x) + 7 Step 3 = 12x + (3x + 6) + 7 Step 4 = (12x + 3x) + (6 + 7) Step 5 = (12 + 3)x + (6 + 7) Step 6 = 15x + 13

OpenStudy (anonymous):

@cassytaylor92

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