intermediate algebra

Solve uing the subtitution method. Show your work. If the system has no solution or an infinite number of solutions, stat this,3x-15y=-12
3x+24y=-12

  1. 👍 0
  2. 👎 0
  3. 👁 39
asked by ROCKY
  1. 3x-15y=-12 ...(1)
    3x+24y=-12 ...(2)
    Subtract (1) from (2) to get
    39y=0, or y=0.
    Substitute into (1) and get
    3x+0=-12,
    or x=-4

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. math(algebra 1)

    i don't get these please help me: use the subtitution method to solve the linear system 1)3x+y=0 x-y=4 2)y=-3x-1 x-3y=3 3)3x-y=9 2x+y=6 4)x-2y=0 3x+y=0 Thank you!!:)

    asked by please help!!! on January 18, 2011
  2. algebra

    Solve using the eliminattion method. Show your work. If the system has no solution or an infinite number of solution, state this. -2x-8y==42 -4x+6y=-18

    asked by Ann on July 5, 2012
  3. Intermediate Algebra

    Solve using the elimination method.Show work.If system has no solution state this or infinite solution 8x+10y=-34 16x-5y=-43

    asked by sherry on March 27, 2012
  4. Algebra

    Solve using the elimination method.Show work.If the system has no solution or an infinite number of solution state ths...-5x+4y=-16,-15x+2y=-58

    asked by sherry on March 22, 2012
  5. Intermediate Algebra (Math)

    HELP PLEASE, Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -2x Ð 8y = 22 -6x Ð y = 20 At first I tried to multiply by 8 but that did not work.

    asked by Lyri on October 11, 2010
  6. Algebra Help

    1. Verify that (-4, 12) is the solution to the system. Show work to justify your answer 2x+y=5 -5x-2y=-6 2. Solve the system by graphing. State the solution. x + y =2 2y – x = 10 3. Solve the system by substitution. State

    asked by PicturesDon'tChangeThePeopleInsideOfThemDo on December 21, 2017
  7. math

    solve using the elimination method.show your work. if the system has no solution or infintite number of solutions, state this 4x-6y=30, 3x-5y=24

    asked by Tiana on February 16, 2011
  8. intermediate algebra

    Solve using the elimination method. Show all work. If the system has no solution or an infinite number of solutions, state this. 3x+7y=77 -2x+7y=42

    asked by ROCKY on July 30, 2011
  9. intermediat algebra

    . Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -2x + 9y = 56 9x – 9y = 0

    asked by jack on February 19, 2011
  10. College Algebra

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.

    asked by Jack on February 20, 2011

More Similar Questions