Question

x-2z = 1

4x − 2y + z = 2

x + 2y − 10z = −1​

Answer 1

Ответ:

1) х-2z=1

x=1+2z, z€R

2) 4x-2y+z=2

2x-y-1=0

3) x + 2y − 10z = −1

x=-1-2y+10z, y€R, z€R