Question

Solve the system
-3x+4y+2z=1
x+2y-z=6
2x-y+4z=7

Answer 1

the answer is d (3,2,1) according to the picture given

Explanation:

the system you wrote is different from the picture

Answer 2

its A dont know how to explain it but i did the math and yes it is (2,3,1)

Explanation: