A community for students.
Here's the question you clicked on:
 0 viewing
xBabyGirlx
 3 years ago
Using elimination, substitution solve c and b
C. y = 1\2x  6
2x + 6y = 19
B. 7x  3y = 20
5x + 3y = 16
xBabyGirlx
 3 years ago
Using elimination, substitution solve c and b C. y = 1\2x  6 2x + 6y = 19 B. 7x  3y = 20 5x + 3y = 16

This Question is Closed

hereweg0
 3 years ago
Best ResponseYou've already chosen the best response.0okay solve the second one for y

MrDoe
 3 years ago
Best ResponseYou've already chosen the best response.2so for elimination, i suggest multiplying the first equation by negative 4 to get rid of x, than solve for y. for the substitution part, any one will work just fine, just isolate one variable

InspyR4D
 3 years ago
Best ResponseYou've already chosen the best response.17x  3y = 20 5x + 3y = 16 To eliminate you add together the top and bottom equation so you get 12x = 36 x= 3 Then you can work out y 5x3 +3y = 16 15+3y = 16 3y= 1 y= 1/3

MrDoe
 3 years ago
Best ResponseYou've already chosen the best response.2watch it though inspy, i think that was a .5x

InspyR4D
 3 years ago
Best ResponseYou've already chosen the best response.1The first one is wrong. I forgot to multiply the 6 by 6

MrDoe
 3 years ago
Best ResponseYou've already chosen the best response.2y=.5x6 and 2x+6y=19 so multiply the first eq by 4 to get: 4y=2x24 = 4y2x=24 now take that and add the two to get: 10y=5 so y =1/2 then just solve for x using the known yvalue for the substitution: remember from your first eq that y=.5x6, so just sub that into the second eq: 2x+6(.5x6)=19 and solve

InspyR4D
 3 years ago
Best ResponseYou've already chosen the best response.1y = 1\2x  6 2x + 6y = 19 6y = 3x36 6y= 192x 3x36=192x 5x= 55 x= 11 y= 0.5 Thanks Mr Doe

xBabyGirlx
 3 years ago
Best ResponseYou've already chosen the best response.0i get it thanks you guys
Ask your own question
Sign UpFind more explanations on OpenStudy
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.