Question

9 x + 12 y – 39 z = 6
12 x + 20 y – 68 z = –8
–6 x – 12 y + 42 z = 12

Answer 1

Answer:

number one :

x= 32+13z−4y

number two :

​x= 3−5y+17z−2

number three :

x=−2y+7z−2