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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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  1. A?

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  2. was a right

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  3. no

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