A student solved the equation

below and showed their work in the table below.

Problem

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Line 1

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Line 2

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Line 3

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Line 4

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Identify the property used to arrive at Line 1. Response area

Identify the property used to arrive at Line 2. Response area

What line has a mistake? Response area

What should have been the correct answer for that line?

The given information is incomplete and does not provide the equation or the work shown in the table. Therefore, it is not possible to identify the properties used or determine the mistake and the correct answer for any specific line.