SOLUTION: 2w+x-3y+z=4 w-3x+y+z=32 -w+2x+2y-z=-10 w+x-y+3z=14

Question 367876: 2w+x-3y+z=4
w-3x+y+z=32
-w+2x+2y-z=-10
w+x-y+3z=14
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
[A]=
[x]=
[b]=
.
.
det[A]=
[A]inv=
.
.
.
[x]=
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
2w+x-3y+z=4
w-3x+y+z=32
-w+2x+2y-z=-10
w+x-y+3z=14
-------------
Using determinants on an Excel sheet:
Det = -42
----------
w = -456/-42 = 76/7
x = 150/-42 = -25/7
y = -258/-42 = 43/7
z = -180/-42 = 30/7

RELATED QUESTIONS
solve Linear sestems when w=1 w+2x+2y+z=-2 w+3x-2y-z=-6 -2w-x+3y+3z=6 w+4x+y+2z=-14 (answered by Fombitz)
X+y+z+w=6 2x+3y-w=0 -3x+4y+z+2w=4... (answered by Alan3354)
2w-3x+4y+z=7 w-x+3y-5z=10 3w+x-2y-2z=6... (answered by Alan3354)
w+x-y+z=0 w-2x-2y-z=-5 w-3x-y+z=4 2w-x-y+3z=7 find the four variables and please show (answered by Alan3354)
Solve w+x-y+z=0 w-2x-2y-z=5 w-3x-y+z=4... (answered by Edwin McCravy)
x-3y-7z+w=11 2x-4y+6z-3w=-3 3x+2y+z+2w=19... (answered by Alan3354)
how do i solve the following 4 x 4 system using elimination & substitution? w + 2x +... (answered by Fombitz)
2v+w+2x-2y+z=10 V+2w+3x+3y-3z=-6 V-w-2x-2y+3z=8 2v-2w+x-3y+2z=15... (answered by Edwin McCravy)
Use the elimination method to solve the system of equation that has four variables.... (answered by Alan3354)