Homework Help: Math

Posted by Karli on Monday, January 11, 2010 at 7:51pm.

Use elimination to solve each system of equations.

x+y-2z=10
8x-9y-z=5
3x+4y+2z=-10

I need to figure out what x,y, and z each equal. I must use the elimination method.

Math - Marth, Monday, January 11, 2010 at 8:09pm
The goal here is to 1st form 2 equations containing 2 variables, then use those to eliminate another variable.

The first 2 equations can be formed from any 2 of the given equations.

Answer this Question

Related Questions

Algebra - Find all solutions to the following system of equations: x + 3y + 2z...
Discrete Math - I am really stuck on these problems. I've worked a lot of ...
Math - Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of ...
Algebra II - 1. solve this system using matrices: 3.7x-2.3+4.2z=8 2.6+4.6y-3.9z=...
College Algebra - Please help! x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above ...
math - solve the system by elimination. 6x-6y-4z=-10 -5z+4y-z=-12 2x+3y-2z=9
Algebra II - Solve this system using matrices. 3.7x - 2.3y + 4.2z = 8 2.6x + 4....
Math - Use the echelon method to solve the system: x + 3y + 4z = 14 2x – 3y...
mathematics - use inverse method to solve the system of linear equations x+y+z-4...
Pre-Calculus - Solve for x,y,z, & w using the Gauss-Jordan Elimination ...

For Further Reading

First Name:
School Subject:
Answer: