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consider the steps to simplify the expression. Which property is used to reach Step 3? Expression: 4 3 7 + 7 + (3 4 7 ) Step 1: = 4 3 7 + (3 4 7 ) + 7 Step 2: = 4 + ( 3 7 ) + (3) + ( 4 7 ) + 7 Step 3: = 4 + ( 3 7 ) + ( 4 7 ) + (3) + 7 Step 4: = 4 + (1) + (3) + 7 Step 5: = 8 + 7 Step 6: = 1 A) The associate property of addition. B) The commutative property of addition. C) The opposite of a sum is the sum of its opposites. D) Subtracting a number is the same as adding its inverse.
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