51z=35733y=13212x=60

Question

51z=357
33y=132
12x=60

Answer 1

1)z=7  z=357:51
2)y=4 y=132:33
3)x=5  x=60:12

Answer 2

Z=357:51
z=7
y=132:33
y=4
x=60:12
x=5