Вариант 1.
{x+2y+3z = 14
{2x+y-z = 1
{3x+2y+2z = 13
Вариант 2
{2x-3y+z = 8
{5x-y-z = 10
{x+3y+4z = 3
Вариант 3
{2x-3y+z = 0
{5x+y-2z = -1
{x-y+z = 3
Вариант 4
{2x+3y+z = 6
{3x-y-z = 1
{5x+2y+4z = 11
Вариант 5
{3x-y+2z = 13
{2x+y-z = 0
{5x+3x+7y =28
Вариант 6
{3x-y + 2z = 10
{7x + z = 22
{-x +3y +2z = 2
Вариант 7
{x +3y -z = 3
{2x -y +4z = 5
{3x + 2y + 5z = 10
Вариант 8
{2x - y +4z = 7
{7x +3y- z = 3
{5x -2y -3z = 4
Вариант 9
{2x +3y- 4z = 1
{3x - y +2z = 12
{4x +3y -3z = 9