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Angie is showing her work in simplifying β7.9 + 8.2 β 3.4 + 2.1. Identify any errors in her work or in her reasoning. Step Work Reasoning β7.9 + 8.2 β 3.4 + 2.1 Original problem 1 β7.9 + 8.2 + (β3.4) + 2.1 Additive inverse 2 β7.9 + (β3.4) + 8.2 + 2.1 Commutative property 3 [β7.9 + (β3.4)] + (8.2 + 2.1) Associative property 4 β11.3 + 10.3 Simplify 5 β1 Simplify
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Angie is showing her work in simplifying β7.9 + 8.2 β 3.4 + 2.1. Identify any errors in her work or...
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