Ask
your own question, for FREE!
Mathematics
5 Online
OpenStudy (anonymous):
Solve the system of equations using matrices. Use Gauss-Jordan elimination 3x-7y-7z = 7 6x+4y-3z=67 -6x-3y+z=-62
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (anonymous):
To use elimination to solve, add the last 2 equations together and continue adding equations so that one variable cancels each time
OpenStudy (anonymous):
I know how to do it that why I have to use matrices
OpenStudy (anonymous):
Ok. So make a 3 x 4 matrix out of it and plug it in your graphing calc to get the answer...
OpenStudy (anonymous):
I tried that but I have to show my work
OpenStudy (anonymous):
sorry, I don't do those by hand :(
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
DoltonCarlee:
what are y'all's options on S A T essays because honestly their not that bad
thereneelg:
Can someone give me a summary of article 231, The war guilt clause?? I need to explain what it is, but I can't find any shortened version of what it is and
luisaam2:
What should you do when the person you want to talk to the most is the one making
Breathless:
https://medal.tv/games/roblox/clips/nAYivIl6oXB6q9QAI?invite=cr-MSxCSk4sMTY4OTA4N
Twaylor:
I'm not that good at law can someone fact check this without bias? June 29, 2026, the Supreme Court decided Chatrie v.
Demon25:
For a hoco proposal with a cheerleader and football player, what else should be a
DoltonCarlee:
what are y'all's options on S A T essays because honestly their not that bad
10 hours ago
4 Replies
2 Medals
thereneelg:
Can someone give me a summary of article 231, The war guilt clause?? I need to explain what it is, but I can't find any shortened version of what it is and
1 day ago
7 Replies
1 Medal
luisaam2:
What should you do when the person you want to talk to the most is the one making
15 hours ago
16 Replies
1 Medal
Breathless:
https://medal.tv/games/roblox/clips/nAYivIl6oXB6q9QAI?invite=cr-MSxCSk4sMTY4OTA4N
1 week ago
0 Replies
0 Medals
Twaylor:
I'm not that good at law can someone fact check this without bias? June 29, 2026, the Supreme Court decided Chatrie v.
1 week ago
0 Replies
0 Medals
Demon25:
For a hoco proposal with a cheerleader and football player, what else should be a
1 week ago
12 Replies
0 Medals
