Ask your own question, for FREE!
Mathematics 23 Online
OpenStudy (anonymous):

4c +(-7c)=9

OpenStudy (sleepyjess):

Hey there! Welcome to OpenStudy! It looks like there is more to your question. Could you post the rest so we can help you better?

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!