Ask your own question, for FREE!
Mathematics 6 Online
OpenStudy (anonymous):

Use the system to answer the question. 2x+y-z=-3 5x-2y+2z=24 3x-z=5 need the answer p;ease help What is the solution to the system? (Points : 4)        (-5, 4,- 3)        (-1, 0, -8)        (2, -6, 1)        (4, 1, 8)

OpenStudy (mertsj):

Simplest thing to do is to take an answer, plug it into all three equations and see if all three sentences are true. If not, go on to the next answer. Keep doing that until you find the choice that works in all three equations.

OpenStudy (anonymous):

thats were im having trouble

OpenStudy (mertsj):

You need to post what you did so I can help you find your mistake.

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!
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!