Question

-4x+2z=14,y=x+z+12,-2x-4z=22 using elimination

Answer 1

-4x+2z=14
-2x-4z=22
y=x+z+12

-4x-x+2z-2z=14+11
-5x=25
x=-5
10-4z=22
-4z=12
z=-3
y=-5-3+12
y=4
Answer:
x=-5; y=-3; y=4