Ask a New Question

Asked by Aiman

Solve by Gaussian elimination method
4x+2y-5z=13
x+y+z=2
2x-y-3z=3
4 years ago

Answers

Answered by oobleck
subtract 4*#2 and 2*#3 from #1, eliminating x.
4x+2y-5z=13
0x-2y-9z = 5
0x+4y+z = 7
Now eliminate y by adding #2 to #1, and 2*#2 to #3.
4x+0y-14z = 18
0x-2y-9z = 5
0x+0y-17z = 17
Now you know z = -1, so
4x+14 = 18 => x=1
-2y+9 = 5 => y=2
4 years ago
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions

Use Gaussian elimination to find the complete solution to the system of equations, or state that non... Use Gaussian elimination to find the complete solution to the system of equations, or state that non... Use Gaussian elimination to find the complete solution to the system of equations, or state that non... Use Gaussian elimination to find the complete solution to the system of equations, or state that non... Use Gaussian elimination to write the system of equations given below in row-echelon form 2x+4y+z... When using Gaussian elimination to solve a system of linear equations, explain how you can recognize... When using Gaussian elimination to solve a system of linear equations, explain how you can recognize... Gaussian elimination and its applications
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use