A community for students.
Here's the question you clicked on:
 0 viewing
henaoalexandra
 2 years ago
8x4y=20
henaoalexandra
 2 years ago
8x4y=20

This Question is Closed

FibonacciChick666
 2 years ago
Best ResponseYou've already chosen the best response.0what are you solving for?

dwelsher
 2 years ago
Best ResponseYou've already chosen the best response.0x=15/6 solve for one variable and plug it back into the original equation to get the other.. so 8x4y=20 4y=8x20 y=(8x20)/4y=2x5 plug y value back into original equation?? this may not be right!!!

msoemosharro
 2 years ago
Best ResponseYou've already chosen the best response.08x4y=20 first divide everything by 4 and you get: 8x/44y/4=20/4 2xy=5 add y 2xy+y=5+y 2x=5+y divide by 2 to isolate x 2x/2=(5+y)/2 x=(5+y)/2 so far you solved for x Now if you want to solve for y here is what you do: 8x4y=20 first divide everything by 4 and you get: 8x/44y/4=20/4 2xy=5 subtract 2x 2x2xy=52x y=52x divide by (1) both sides of the equation (1)(y)=(1)(52x) y=5+2x or y=2x5 This is as far as you can go with these kind of equation, unless you are given more info.

msoemosharro
 2 years ago
Best ResponseYou've already chosen the best response.0dwelsher suggests to plug back into the original equation, but that would give you 0=0... and you did not find x nor y.
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.