Help me to Solve the following system of equations please:

x + 3y + 2z = –16
2x – y + 2z = –15
2x – 2y – z = 1
POSSIBLE ASNWERS ARE:

(–3, 5, –2)

(2, –4, –3)

(–3, –1, –5)

(4, 4, –1)

Question

Help me to Solve the following system of equations please:

x + 3y + 2z = –16
2x – y + 2z = –15
2x – 2y – z = 1
POSSIBLE ASNWERS ARE:
		
(–3, 5, –2)
		
(2, –4, –3)
		
(–3, –1, –5)
		
(4, 4, –1)

eyust707 · Answer

each one is in the notation 
(x,  y,    z)
looking at the first one
(-3, 5. -2)
x=-3
y=5
z=-2

if these values satisfy all three equations then it is a solution

anonymous · Answer

i choose that.. am i correct?

anonymous · Answer

non of the above answers work.

anonymous · Answer

those are the choices the teacher gave me.. what do i do?

anonymous · Answer

(–3, –1, –5) sorry that one is the right one

anonymous · Answer

thank you for your help