Answer:
x = 38
y =2
z=-1
Step-by-step explanation:
z = -1
Substituting into the second equation
y-z =3
y - -1 =3
y+1 = 3
Subtract 1
y+1-1= 3-1
y =2
Substituting into the first equation
x -2y +2z = 32
x -2(2) +2(-1) = 32
x-4-2 = 32
x-6 = 32
Add 6 to each side
x-6+6 =32+6
x = 38
