Question

Tolonggg banget yaa beserta caranya

Answer 1

X+y-z = 24 |×2|
2x-y+2z=4 |×1|
=>2x+2y-2z = 48
=>2x-y + 2z= 4
-------------------------- -
3y-4z =44
x+y-z = 24
x+2y-3z=36
------------------- -
-y+2z = -12

3y-4z = 44 |×1|
-y +2z= -12 |×2|
=> 3y-4z = 44
=> -2y+4z=-24
-------------------- +
y = 20
-20+2z =-12
2z = 8
z = 4
x+y-z =24
x+20-4=24
x+16 = 24
x = 8
maka x : y : z = 8 : 20 : 4 = 2 : 5 : 1