Question

3x-2 y-1 при x=-1 y=-3

Answer 1

$3x - 2 \\ x = - 1 \\ 3 \times ( - 1) - 2 = - 3 - 2 = - 5$

$y - 1 \\ y = - 3 \\ - 3 - 1 = - 4$

Answer 2

3(-1) • (-3-1) = -3 • (-4) = 12

Ответ: 12