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Mabel solves this problem but when she completed her check, she found out that her answer was wrong. What step did she do incorrectly?
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Mabel solves this problem but when she completed her check, she found out that her answer was wrong. What step did she do incorrectly?

Mabel solves this problem but when she completed her check, she found out that her-example-1
User Sanfly
by
6.0k points

1 Answer

2 votes

Answer:

she should have subtracted 11 instead of 4

the answer is -21

User Pteehan
by
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