Ask your own question, for FREE!
Mathematics 16 Online
OpenStudy (anonymous):

system of equation by substition y=-2/5x x-y=7 x-(-2/5x)=7

OpenStudy (anonymous):

x-(-2/5)x=7

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!