Ask your own question, for FREE!
Mathematics 14 Online
OpenStudy (anonymous):

5x+4y-z=18. 2x-2y+z=-5. -x-y+z=-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!
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!