I need step by step to simplifying -7.9+8.2-3.4+2.1

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I need step by step to simplifying -7.9+8.2-3.4+2.1

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Hello, add the -7.9 and the -3.4-11.3+8.2+2.1add the two positives-11.3+10.3calculate the sum -1

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