Question

2•y=214
404-y=230
981:z=3
Z-127=208

Answer 1

2ху=214
у=214:2
у=107
-------------
2 х 107= 215

404-у=230
у=404-230
у=174
_________
404-174=230

981:z =3
z=981:3
z=327
_________
981:327=3

Z-127=208
Z=208+127
Z=335
______________
335-127=208

Answer 2

*214 опечатка