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МатематикаВопрос:
5 - 2x = 8x + 9
Ответ:
1. Add 2x to both sides: 5 = 10x + 9.
2. Subtract 9 from both sides: -4 = 10x.
3. Divide by 10: x = -4/10 = -2/5.
2. Subtract 9 from both sides: -4 = 10x.
3. Divide by 10: x = -4/10 = -2/5.
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