A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

Trevor solved the system of equations below. What mistake did he make in his work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 − 2x) = 10 x − 10 + 4x = 10 5x − 10 = 10 5x = 0 x = 0 2(0) + y = 5 y = 5 a. He should have substituted 5 + 2x b. He combined like terms incorrectly, it should have been 4x instead of 5x c. He subtracted 10 from the right side instead of adding 10 to the right side d. He made no mistake

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

    Can anyone help.......

  2. triciaal
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    |dw:1438297261357:dw|

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

    Add 10 to both sides

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

    5x=20

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

    yup

  6. triciaal
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    now read the question again and look at the answer choices

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

    Oh so it would be c?

  8. triciaal
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    yes!

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

    Okay thank you!

  10. triciaal
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 1

    you are welcome

  11. 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.