Quantcast

A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

ikoreanx3

  • 2 years ago

Solve the given system of equation by substitution method. 5x+y=15 6x-2y=2

  • This Question is Closed
  1. RadEn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    from the 1st equ. 5x+y=15 ----> y = 15 - 5x, subtitute this y to the 2nd equ : 6x-2y=2 6x - 2(15 - 5x) = 2 6x - 30 + 10x = 2 16x = 30 + 2 16x = 32 x = 32/16 = 2

  2. RadEn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    now, subtitute the x to y = 15 - 5x, giving us y = 15 - 5(2) y = 15 - 10 y = 5

  3. RadEn
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    therefore, the solution be (2,5)

  4. kay-jay
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    you can also find the third equation first which will be a long process

  5. 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.