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Rita is adding 3 + (negative 8) + 1. She rewrites the expression as 3 + (negative 1) + 8. What is Rita’s error?

Rita is adding 3 + (negative 8) + 1. She rewrites the expression as 3 + (negative 1) + 8. What is Rita’s error?
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Rita is adding 3 + (negative 8) + 1. She rewrites the expression as 3 + (negative 1) + 8.

What is Rita’s error?

User Yole
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In this question, Rita rewrote the 1 as negative 1 and the -8 as 8. This changes the answer.
User Cnebrera
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