у + 27 у =1204
14 х - х - 28=167

у=43. . . [email protected][email protected]@!#
х=15 [email protected][email protected]@#

y + 27 y = 1204
28y = 1204
y = 43.

14x - x - 28 = 167
13x - 28 = 167
13x = 167 + 28
13x = 195
x = 15.