Ответ:

[tex]1)y = - 2x \ + 5 \\ x = - 2x + 5 \\ - 2y + 5 = x \\ - 2y = x - 5 \\ y = \frac{1}{2}x + \frac{5}{2} [/tex]

[tex]2)y = \frac{3}{2}x - 4 \\ \times = \frac{3}{2} y - 4 \\ 3y - 8 = 2x \\ 3y = 2x + 8y \\ y = \frac{2}{3} x + \frac{8}{3} [/tex]