Ask
your own question, for FREE!
Mathematics
14 Online
OpenStudy (anonymous):
How would you solve the augmented matrix 2x+y-2z=7 , x-2y-5z=-1, 4X+y+z=-1
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
2x+y-2z=7..(1) x-2y-5z=-1..(2) 4X+y+z=-1...(3) (1)x2 4x+2y-4z=14..(1)' (1)'+(2) 5x-9z=13...(4) (1)-(3) -2x-3z=8...(5) (5)x3 -6x-9z=24..(4)' (4)'-(5) -11x=11 x=-1 sub to (5) -2(-1)-3z=8 -3z=6 z=-2 sub to 2x+y-2z=7..(1) 2(-1)+y-2(-2)=7 y=5
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
Maci:
what are the best stock apps for people who want to start investing?
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
VERNEISH:
Two objects are moving along separate linear paths where each path is described by position, d, and time, t.
14 hours ago
1 Reply
0 Medals
Maci:
what are the best stock apps for people who want to start investing?
5 days ago
3 Replies
2 Medals
Twaylor:
genuienly how do i get better self control i keep watcing youtube and theres this
1 week ago
3 Replies
0 Medals
IzzyCookie:
|dw:1792074056138:dw| Uhm, I don't know where to ask this, but I'm in college welding at my community college, and I need help learning vertical welding for
3 days ago
9 Replies
1 Medal
thehearken:
not sure if this is considered spam, im sorry if it is, but does anyone have tips
1 week ago
2 Replies
1 Medal