Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

If 7a+8b+c=4 , what is −63a−72b−9c?

hero (hero):

Multiply both sides of 7a + 8b + c = 4 by -9 Let me know what you get.

OpenStudy (anonymous):

c =1?

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!
Latest Questions
Arriyanalol: i need help
1 day ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
1 day ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
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!