Mathematics, 21.07.2021 18:40 maxwellirowa10oy9yaf
Nigel makes the claim that x=6 is the solution to the equation 4(5xβ12)β7x=5x. His work to support his claim follows. Given: 4(5xβ12)β7x=5x Step 1: 20xβ48β7x=5x Step 2: 20xβ7xβ48=5x Step 3: 13xβ48=5x Step 4: 13xβ13xβ48=5xβ13x Step 5: 0β48=β8x Step 6: 6=x Which of the following justifications can be used to justify and support Nigel's work? Select all justifications that are correct.
Step 1 is justified by the Distributive Property. , Step 1 is justified by the Distributive Property. , ,
Step 4 is justified by the Symmetric Property. , Step 4 is justified by the Symmetric Property. , ,
Step 5 is justified by the Property of Additive Inverses. , Step 5 is justified by the Property of Additive Inverses. , ,
Step 2 is justified by the Commutative Property. , Step 2 is justified by the Commutative Property. , ,
Step 6 is justified by the Associative Property.
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Nigel makes the claim that x=6 is the solution to the equation 4(5xβ12)β7x=5x. His work to support h...
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