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29 votes
29 votes
Pls help! Error Analysis problem

Pls help! Error Analysis problem-example-1
User Mathias Hillmann
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2.9k points

2 Answers

17 votes
17 votes

Answer:

Ana made a mistake from line 2 to 3

Explanation:

User Balraj Ashwath
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3.1k points
8 votes
8 votes

Answer:

Ana made a mistake from line 2 to 3

Explanation:

From line 2 to 3, on the left side, ana added 2 and 3 but completely ignored the - in front of the 3. the correct answer would have been -x - 21 = 3x + 19

User Ruggs
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3.0k points