Ask
your own question, for FREE!
Mathematics
20 Online
please help me solve this simultaneous equation... 2x-4y=6 2x+y=8.5
Still Need Help?
Join the QuestionCove community and study together with friends!
Try subtracting the first equation from the second equation and see what you get. Can you proceed from here?
Are you able to proceed?
so 2x-2x?
yes
so it would give you..6-8.5=-2.5???
Still Need Help?
Join the QuestionCove community and study together with friends!
yes
so x=-2.5?
don't forget the y-(-4y)
you subtract first equation from 2nd
|dw:1346705525778:dw|
Still Need Help?
Join the QuestionCove community and study together with friends!
thank you but how do you work out a value for x?? or cant you??
i'm suppose to help you through, not to do everything for you
you should be able to divide that
i know..i'm asking for you to talk me through it.. :S so i can learn for next time..
now you got y so you can put into either of the equations to find x
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!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
stxandrew1214:
I lwk like a junior need help to talk with her and get to know her but I think sh
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
Bounty:
tested love: im so over love it acquires patience i don't have trials an tribulations yet my souls the only one taken i give 90 you give 10 you say that you
SaltySuga:
is it possible to tell how deep a cut is by an open wound? like would i be able t
AndreW2002:
I'm trying to change my profile picture but it keeps saying "Either a error occurred, or you tried to upload a gif" but it's not a gif that I'm using, it's
15 hours ago
19 Replies
1 Medal
20 hours ago
5 Replies
0 Medals
2 days ago
3 Replies
1 Medal
19 hours ago
7 Replies
2 Medals
3 days ago
5 Replies
1 Medal
4 days ago
3 Replies
0 Medals