Ответ:
[tex] = 7x - 21 - 10 = 2 - 3x + 3 \\ 7x + 3x = 2 + 3 + 21 + 10 \\ 10x = 36 \\ x = 36 \div 10 \\ x = 3.6[/tex]
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Ответ:
[tex] = 7x - 21 - 10 = 2 - 3x + 3 \\ 7x + 3x = 2 + 3 + 21 + 10 \\ 10x = 36 \\ x = 36 \div 10 \\ x = 3.6[/tex]