A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

Faolan

  • one year ago

2x - 4y = 10 7x - 9y = 12 HOW DO I SOLVE THIS?

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    multiply the top equation by 7 and the bottom equation by 2, so 2x and 7x are then both 14x. Then you can cross them out, solve for y, then with y, pick one of the equations (dosent matter which) and solve for x.

  2. Faolan
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    Nvm i got it!! x= -23/5 and y= 21/5

  3. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    nice

  4. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

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
  • 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.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.