Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
malutella
Group Title
Solve these systems of equations 7x+2y= 3 and 14x4y=6 . I got y=3/2,
x= 6/7 am I right ?
 2 years ago
 2 years ago
malutella Group Title
Solve these systems of equations 7x+2y= 3 and 14x4y=6 . I got y=3/2, x= 6/7 am I right ?
 2 years ago
 2 years ago

This Question is Closed

AravindG Group TitleBest ResponseYou've already chosen the best response.1
hmm multiply first equation with 2
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
14x+4y+6=0
 2 years ago

malutella Group TitleBest ResponseYou've already chosen the best response.0
well yeah i did that multiplying it by 2 so that when i add it in the second question 14x and 14X cancel out (I'm using linear combinations here)
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
14x+4y6=0
 2 years ago

malutella Group TitleBest ResponseYou've already chosen the best response.0
*equation
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
if thats the case both x and y cancels out!!
 2 years ago

malutella Group TitleBest ResponseYou've already chosen the best response.0
In the first equation you do 2y times 2 = 4y. Now in the 2nd equation you have 4y soo 4y+ 4y is 8y which means that the ys don't cancel out
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
nt really :)
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
infact both these lines are the same !!
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
take a look at the graph
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
http://www.wolframalpha.com/input/?i=solve+7x%2B2y%3D+3++and+14x4y%3D6
 2 years ago

malutella Group TitleBest ResponseYou've already chosen the best response.0
yes I see...so there's something I'm doing wrong in my math here !
 2 years ago

malutella Group TitleBest ResponseYou've already chosen the best response.0
u were right they are the same line!
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
take a look at the question you have posted !!
 2 years ago

AravindG Group TitleBest ResponseYou've already chosen the best response.1
:P yep makes sure u type the qns right :)
 2 years ago
See more questions >>>
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.