Ask your own question, for FREE!
Mathematics 17 Online
OpenStudy (anonymous):

Select the best possible first step to solving the system by first eliminating the y variable. 5x - y = 5 7x - 3y = -1 A.Multiply the first equation by -3. B.Multiply the second equation by -3. C.Multiply the first equation by 3. D.Multiply the second equation by 3. Need help plzzzzzz:)

OpenStudy (anonymous):

d

OpenStudy (anonymous):

Thanks:DDDDDD

OpenStudy (anonymous):

Multiply the top equation by -3, so A.

OpenStudy (anonymous):

D is wrong, it's A.

OpenStudy (anonymous):

ok are u sure???

OpenStudy (anonymous):

Yes, it's A.

OpenStudy (anonymous):

Because you want +3y on the top, and -3*-y = +3y.

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!