Ответ:
[tex]1.9x - 9 = 1.65x + 1.25 \\ 1.9x - 1.65x = 1.25 + 9 \\ 0.25x = 10.25 \\ x = 10.25 \div 0.25 \\ x = 41[/tex]
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Ответ:
[tex]1.9x - 9 = 1.65x + 1.25 \\ 1.9x - 1.65x = 1.25 + 9 \\ 0.25x = 10.25 \\ x = 10.25 \div 0.25 \\ x = 41[/tex]