\[\boxed{\text{1081.}\text{\ }еуроки - ответы\ на\ пятёрку}\]
\[\textbf{а)}\ \frac{2x - 3}{4} - 3x = \frac{x + 1}{2}\ \ \ \ | \cdot 4\]
\[2x - 3 - 12x = 2 \cdot (x + 1)\]
\[- 10x - 3 = 2x + 2\]
\[- 10x - 2x = 3 + 2\]
\[- 12x = 5\]
\[x = - \frac{5}{12}\ \]
\[Ответ:x = - \frac{5}{12}.\]
\[\textbf{б)}\ 6 = \frac{3x - 1}{3} - \frac{x}{5}\ \ \ \ \ \ | \cdot 15\]
\[90 = 5 \cdot (3x - 1) - 3x\]
\[90 = 15x - 5 - 3x\]
\[90 + 5 = 12x\]
\[x = \frac{95}{12} = 7\frac{11}{12}\ \]
\[Ответ:x = 7\frac{11}{12}.\]