# Math

Solve the system of equations using Row Operations
x + y - z = 6
3x - 2y + z = -5
x + 3y - 2z = 14

1. 0
2. 0
3. 22
1. let rows be a,b,c
a+b>d
2b+a>e
d) 4x-y=1
e)7x-y=-4

d-e>f
f: -3x=5

check those.

1. 0
2. 0
posted by bobpursley

## Similar Questions

1. ### college math

system of equations: solve the following system of operations using matrices (row operations) {5x + y + z + w = -5} {x - 2y + 2z -3w = -4}

asked by Cece on September 14, 2013
2. ### Math

Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule.

asked by Angel on November 18, 2010
3. ### College Algebra

Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan Elimination. You must show row operations. b. Solve the above system of equations using Cramer's Rule.

asked by Roger on November 17, 2010
4. ### Discrete Math

I am really stuck on these problems. I've worked a lot of them but I can't get these. Sometimes I think I know the answer but I can't show how I got it. 1.) Solve each matrix equation for X. 2X + 5A = B 2.) Find the following

asked by Ryan on February 25, 2010
5. ### math

Solve following system of equations? x+3z=-2 2x+2y+z=4 3x+y-2z=5 i need help with few so i can get hang of this math plz. Perform row operations write new matrix [132 -312 2-11| 073] R1+R2 using x,yand z variables write system

asked by sherri r on January 25, 2009
6. ### College Algebra

Solve the system of equations with ROWOPS program. I know how to do the first step but after that it gets difficult for me, this is the system of equations: 3x + y - z = 1 x + 2y - z = 0 2x - y + z = 4 I used to be able to do

asked by Rebecca on August 3, 2007
7. ### Math - system of eqns

Consider the system of equations: x1 + x2 + x3 = 6, −x1 − 2x2 + 3x3 = 1, 3x1 − 4x2 + 4x3 = 5. (a) Write down the augmented matrix for this system (b) Use elementary row operations to reduced the augmented matrix to reduced

asked by Drake on June 1, 2016
8. ### Vectors

Could you please help me solve this question: Solve this system of equations using elementary operations. 1. x/3 + y/4 + z/5 =14 2. x/4 + y/5 + z/3 =-21 3. x/5 + y/3 + z/4 =7 So far, I have multiplied all three equations by 60, to

asked by Darren on May 25, 2010
9. ### Matrices

Solve the system using matrices. Show all the row operations that you use. 3x-9y=30 2x+5y= -2

asked by Tayb on September 21, 2016