Question 111688: find the value of k so that the system of the equation x+y+3z=0 4x+3y+kz=0 2x+y+2z=0 has no a non trival solution Answer by Edwin McCravy (20077) (Show Source):

Answers archive Click here to see ALL problems on Equations Question 150814: 3z-5+2z=25-5z Answer by jim_thompson5910 (35256) (Show Source):

In depth Click here to see ALL problems on Linear-systems Question 44966: 2x+3y-z=4 3x+2y+2z=6 4x-y+3z=5 solve in three variables Answer by josmiceli (19441) (Show Source):

Question 146538: Solve the system using any algebraic method. 1. x-y+z=5 2y+3z=14 -3y+2z=5 2. 2x+2y+z=-5 2x+y+3z=7 -4x-2y-6z=-14 Thank you so much! I'm really confused. Answer by …

You can put this solution on YOUR website! 5x-6y+4z=15, 7x+4y-3z=19, 2x+y+6z=46 solve using cramers rule Write in the 1 coefficient: Cramer's rule: There are 4 columns, 1. The column of x …

Answers archive Click here to see ALL problems on Probability-and-statistics Question 1084498: solve the system of equation by Gauss elimination method x+y+z=6; 3x+3y+4z=20; 2x+y+3z=13 Answer …

You can put this solution on YOUR website! Use the simplex method to maximize P = 5x + 4y + 3z subject to the constraints: x ≧ 0, y ≧ 0, z ≧ 0, x + y + z ≦ 30, 2x + y + 3z ≦ 60, 3x + 2y + 4z ≦ 84 …

Question 1039067: Solve the following system of linear eqnations. x + y 3z + 2w = 0 2x - y + 2z 3w = 0 3x 2y + z 4w = 0 - 4x + y 3z + w = 0 Answer by Fombitz (32388) (Show Source):

You can put this solution on YOUR website! Simplify the following expression. 2x - 2y + 5z - 2x - y + 3z Combine like terms: 2x - 2x = 0 -2y - y = -3y 5z + 3z = 8z Now we have: -3y + 8z Answer: 8z - 3y …

2x + 4y - 3z = -8 3y + 2z + 6x = 3 4z - 8x - 7y = 5 Rearrange the terms on the left so that the terms are all in alphabetical order with the letters: (A) 2x + 4y - 3z = -8 (B) 6x + 3y + 2z = 3 (C) -8x - 7y + 4z = 5 …