Hi there!
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I believe your answer is:
-4.3
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Here’s why:
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[tex]\boxed{\text{Simplifying the Expression...}}\\\\-7.1+(-4.3)+7.1\\--------------\\\righarrow -7.1 +1(-4.3)+7.1\\\\\rightarrow -7.1 - 4.3 +7.1\\\\\rightarrow -11.4 + 7.1\\\\\rightarrow \boxed{-4.3}[/tex]
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Hope this helps you. I apologize if it’s incorrect.