Mathematics, 02.01.2020 03:31 megamorph

When adding negative and positive numbers, you can use the associative and commutative properties to group all of the positive addends and then group all the negative addends. which expression shows the second step of this method?

5 + (-1) + (-5) + (-2) + 11 + (-7) + 2

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When adding negative and positive numbers, you can use the associative and commutative properties to...