Andrew is showing his work in simplifying −4.5 + 4.2 + 5.6 − 7.3. Identify any errors in his work or in his reasoning. Write feedback to Andrew explaining the mistake he made and how to correct his work.
Step Work Reasoning
−4.5 + 4.2 + 5.6 − 7.3 Original problem
1 −4.5 + 4.2 + 5.6 + (−7.3) Additive inverse
2 −4.5 + (−7.3) + 4.2 + 5.6 Commutative property
3 (−4.5 + (−7.3)) + (4.2 + 5.6) Associative property
4 −11.8 + 9.8 Simplify
5 −21.6 Simplify

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help anyone

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hold on ill try

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ok

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## More answers

- anonymous

wow ok hold on just a lil more

- anonymous

take your time

- anonymous

−4.5+4.2+5.6−7.3
=−0.3+5.6−7.3
=5.3−7.3
=−2
this is what the equation should be... and i believe his mistake is in step 3 becaushe i cant figure out why he moved that 7.3.....

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