Answer:
Step-by-step explanation:27
first one : x=−2y−5z−17
2nd one: x= 3 /2 y−z−8
3rd one: x= −1 /3 y+ 1 /3 z+1
Step-by-step explanation:
The answer is B 0,2
I hope that correct
49.451 this would be the answer