Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

lashantae_

  • 2 years ago

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

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

    Multiply the first by 5 and the second by 3.

  2. bhaskarbabu
    • 2 years ago
    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

  3. liza2
    • 2 years ago
    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 --------------------- ?

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

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

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

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.