If 2x + 3 by + z =55 X - Y = 4 and Y - X + z = 12, then what are the values of X, Y and Z?

A ) (x) 5 (y) 12 (Z) 5

B ) (x) 6 (Y) 10 (z) 9

C ) (x) 9 (Y) 16 (Z) 7

D ) (x) 7 (Y) 11 (Z) 8 ✅