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

lashantae_ Group Title

how do you do elimination using multiplication ? example problem : 3x-3y=-6 -5x+6y=12

  • one year ago
  • one year ago

  • This Question is Closed
  1. viniterranova Group Title
    Best Response
    You've already chosen the best response.
    Medals 0

    Multiply the first by 5 and the second by 3.

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

    multiply the first equation with 2 ,then add the two equations y will be eliminated

    • one year ago
  3. liza2 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Well, in order to do elimination, first you have to change one of the equations using multiplication. 3x-3y=-6 2(3x-3y) = 2(-6) 6x-6y= -12 Now, elimination: 6x-6y= -12 + -5x+6y=12 --------------------- ?

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

    3x-3y=-6 (*5), and -5x+6y=12 by (*3)

    • one year 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.