Question

решитеееее пжжжжжжжж

Answer 1

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