SOLUTION: please help me in finding x, y and z in the linear equation 2x-5y=2 -4x+3z=5 3y+4z=12 thank you :)

Algebra.Com
Question 659213: please help me in finding x, y and z in the linear equation
2x-5y=2
-4x+3z=5
3y+4z=12
thank you :)

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
please help me in finding x, y and z in the linear equation
2x-5y=2
-4x+3z=5
3y+4z=12
===========
Multiply the 1st eqn by 2, then add to the 2nd eqn.
That leaves 2 eqns in y & z, no x.

RELATED QUESTIONS

Solution of Linear Systems by the Echelon Method. 4x-y+3z=-2 3x+5y-z=15 -2x+y+4z=14 (answered by Alan3354)
I have a substitution problem that I would like help with, please (I have a test... (answered by Alan3354)
Please help me solve this linear system with three variables. 2x-y+2z=-21 x+5y-z=25 (answered by Alan3354)
Please help... I tried to solve this, but no result. I eliminated z in 1&2,and 2&3, but... (answered by htmentor,ikleyn)
Extrememly confused, help please! Solve each system in three variables... (answered by stanbon)
Hello, I have to solve a linear equation but can not find a solution. Please help me... (answered by Theo)
1.Solve the following problems fo X and Y in these two system equation, and for X and Y,... (answered by solver91311)
Systems of Equations 1. Solve the following problems for X and Y i these two system... (answered by Alan3354)
Please help me solve the system 2x-3y+4z= -14 4x+2y-3z= -17 6x-5y+7z= -37 find... (answered by Alan3354,Boreal)