Use the interactive tool to find which of the following expressions have a sum of 6. Check all that apply.

Evaluate each expression: (–3) + 9 = 6, and 7 + (–1) = 6. The other sums are 8 + 2 = 10 and (–4) + (–2) = –6, so the expressions with a sum of 6 are (–3) + 9 and 7 + (–1).

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