Post a New Question

algebra

posted by .

I do not know how to solve the following
systems of linear equations in 3 variables

1) x-2y+z=7
2) 2x+y-3z=-1
3) x-4y+3z=13

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. College Algebra

    Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for both variables. The perimeter of a rectangle is 72m. If the width were doubled …
  2. algebra

    Can anyone help me to understand algebra?
  3. Algebra 2

    Solving systems of linear equations in three variables. Ok so i don't really totally get these problems. Can you help me solve this one?
  4. Algebra

    Solving systems of linear equations in 3 variables... 1) 3x-2y+2z=1 2) 2x+5y-5z=7 3) 4x-3y+z=-3 I combined 1 and 3 to get -5x+4y=7 And then i combined 2 and 3 to get -13y+11z=-17. Can that be right?
  5. Algebra II

    Right now we're doing systems of Linear Equations in Three Variables. It says to solve the following system: x - y + 3z = 4 x + 2y - z = -3 4x + 3y + 2z = -5 Whatever I try with this problem (and the others like it) it comes out wrong. …
  6. algebra

    systems of linear equations in 3 variables 1/3x-2/3y+z=0 1/2x-3/4y+z=1/4 -2x-y+z=1
  7. algebra

    systems of linear equations in 3 variables 1/3x-2/3y+z=0 1/2x-3/4y+z=1/4 -2x-y+z=1 every time i do it is wrong and i cannot figure out what I'm doing wrong please help!!!
  8. algebra 1

    Solve the following systems of linear equations using any algebraic method.If possible,check your solution. 1)2x+5y=3 X-3y=7 2) 3y=11-2x 3x=y-11 3)8x-6y=14 12x-9y=18
  9. algebra 1

    Solve the following systems of linear equations using algebraic method. 1)3y=11-2x 3x=y-11 2)8x-6y=14 12x-9y=18
  10. Algebra I DONT KNOW HOW TO DO 3 VARIABLES

    Solving Linear Equations and Inequalities Solve by eliminating x (this is solving 3 linear equations) then substitute to the other two equation x + y + 5z =2 (1) 4x - 3y + 5z =3 (2) 3x - 2y + 5z=1 (3) my teacher gave me the answer …

More Similar Questions

Post a New Question