Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

abcdancer Group Title

Find the value of two numbers if their sum is 12 and their diffference is 4.

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. eyeless71 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    8 and 4

    • 2 years ago
  2. JonPelc Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Set up two equations and solve. x+y=12 x-y=4 Solve for y in one: y=12-x Plug that into the other equation: x-(12-x)=4 x-12+x=4 2x-12=4 2x=16 x=8 Then plug x into one of the equations you solved for y: y=12-8 y=4 Soooooo, the two numbers are 8 and 4.

    • 2 years ago
    • Attachments:

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
  • 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.