Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
whadduptori
Group Title
can someone show me work?
Can someone please help? Solve the system by substitution.
4.5x2y=12.5
3.25xy=0.75
 2 years ago
 2 years ago
whadduptori Group Title
can someone show me work? Can someone please help? Solve the system by substitution. 4.5x2y=12.5 3.25xy=0.75
 2 years ago
 2 years ago

This Question is Closed

ivie30 Group TitleBest ResponseYou've already chosen the best response.1
Multiply the second equation by 2: (3.25xy=0.75) x 2 =6.5x 2y=1.5 Now subtract this new equation from the first one to eliminate y, i.e: 4.5x2y=12.5 (6.5x 2y=1.5) =>11x+0=11 x=11/11=1 put x back into the first eqn: 4.5(1)2y=12.5 4.52y=12.5 2y=12.5+4.5 y=8.5 so, x=1, y=8.5.
 2 years ago

whadduptori Group TitleBest ResponseYou've already chosen the best response.0
thank you so much!! I relly appreciate it!! (:
 2 years ago

ivie30 Group TitleBest ResponseYou've already chosen the best response.1
you're welcome! :)
 2 years ago

whadduptori Group TitleBest ResponseYou've already chosen the best response.0
wait when you subtract the 2 from the two wouldnt you get 4?
 2 years ago

whadduptori Group TitleBest ResponseYou've already chosen the best response.0
the 2y  2y isnt that 4?
 2 years ago

ivie30 Group TitleBest ResponseYou've already chosen the best response.1
No, it's 2y(2y)=2y+2y=0
 2 years ago

whadduptori Group TitleBest ResponseYou've already chosen the best response.0
ohhhh i see what you mean! Im sorry i got confused for a second! thank you again!
 2 years ago

ivie30 Group TitleBest ResponseYou've already chosen the best response.1
that's alright :)
 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.