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Usimov [2.4K]
3 years ago
6

Geometry, any idea?

Mathematics
1 answer:
Pepsi [2]3 years ago
5 0

Answer:

8

Step-by-step explanation:

15x-31+9×+11+×=180

25×-20=180

25×=200

×=8

15(8)-31=89

9(8)+11=83

8

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