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OpenStudy (linn99123):
1. Indicate which property is illustrated in Step 2. Step 1 7x + 3 + 5x + 1 = (7x + 3) + (5x + 1) Step 2 = 7x + (3 + 5x) + 1 Step 3 = 7x + (5x + 3) + 1 Step 4 = (7x + 5x) + (3 + 1) Step 5 = (7 + 5)x + (3 + 1) Step 6 = 12x + 4
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OpenStudy (math&ing001):
Addition has the commutative and associative property. The one on step 2 is the associative property.
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