Answer:
=(4,3,2)
Step-by-step explanation:
make 2 pairs ot the equation
3x+2y+z=20
x-4y-z= -10
x-4y-2= -10
2x+y+2z=15then solve
solve:5x-2y=10
;4x-7y=-5
x=4
y=3
substitute=3x+2y+z=20
=3×4+2×3+z=20
try tp put it in order
(x.y.z)
then check if it works
if it does work u will get (x,y,z)=(4.3.2)
