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baherus [9]
3 years ago
14

Plz help me with these three

Mathematics
1 answer:
umka2103 [35]3 years ago
4 0
1. + and - are inverses as well as × and ÷
2. They are equivalent because x equals -3 in each equation.
3. x-3=6 because x=9 in this equation whereas it equals 6 in all of the other ones
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