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Mathematics, 14.07.2021 20:10 jaelynnm

What properties are being used in these expressions? 1. (3x+7)+(2x+8)=3x+7+2x+8
2. 3x+7+2x+8=3x+2x+7+8
3. 3x+2x+7+8=(3x+2x)+(7+8)

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What properties are being used in these expressions? 1. (3x+7)+(2x+8)=3x+7+2x+8
2. 3x+7+2x+8=...
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