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Mathematics, 22.05.2020 04:00 katherinelondon4002

Determine if the following are properties write y or n for each
5+1=6
78+6=76+8
2x+(3x+4x)=(2x+3x)+4x
52+(-18)=(-52)+18
6+(-6)=0

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Determine if the following are properties write y or n for each
5+1=6
78+6=76+8
2x...
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