Mathematics, 26.05.2021 22:10 mechelllcross

Mark incorrectly solved the equation -2(x – 3) – 5 = 9. His steps are shown below: ( its the attached image )
Please Help Me Solve These Two Questions
1. Mark made two mistakes. Identify which line Mark made his first mistake in and explain to Mark what he did wrong.
2. Mark made two mistakes. Identify which line Mark made his second mistake in and explain to Mark what he did wrong.

Answers: 3

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Mark incorrectly solved the equation -2(x – 3) – 5 = 9. His steps are shown below: ( its the attach...