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Mathematics, 21.09.2020 02:01 nataliahenderso

Find the result of each expression below. Rewrite as addition, combine positives and negatives separately, and then find the final value.
(a) 15-5+-3+ 7-11
(b) –8+15 – 2-(-6)-11
(c) 25+7 – 20+-16+3

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