solve for x,y,z

Answer 1

y=5/8 -z

-3x +2y=5/4

-3x +5/4-2z =5/4

-6x-4z= 0

-4x+4z=10/3

-10x =10/3

x=-1/3

4z= 10/3-4/3= 6/3= 2

z=1/2

y=5/8-z= 5/8-4/8=1/8

(x,y,z)= (-1/3, 1/8, 1/2)

use substitution, elimination or matrix algebra