Question

решите уравнение: 7x-2/12-x+2/4=2x+5/3-7

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Answer 1

$\frac{7x - 2}{12} - \frac{x + 2}{4} = \frac{2x + 5}{3} - 4 \\ \frac{7x - 2 - 3x - 6}{12} = \frac{8x + 20 - 48}{12} \\ 4x - 8 = 8x - 28 \\ 4x = 20 \\ x = 5$