-10<8x-2<14 решите двойное неравенство

Question

-10<8x-2<14 решите двойное неравенство

Answer 1

- 10 + 2 < 8x - 2 + 2 < 14 + 2
- 8 < 8x < 16  
- 8/8 < 8/8x < 16/8
- 1 < x < 2 

Answer 2

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