Ask your own question, for FREE!
Mathematics 12 Online
OpenStudy (anonymous):

Solve System: x^2+y^2-2x+2y=7 x^2+y^2+4x-4y=1 Could you show me using substitution?

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!