X - y = 5
5x + 2y = 32
x = y + 5
5( y + 5 ) + 2y = 32
5y + 25 + 2y = 32
7y = 7
y = 1
x = 1 + 5 = 6
ОТВЕТ ( 6 ; 1 )
-------------------------------
( 5x/2 ) - ( y/6 ) = 7/3
( 5x/6 ) + ( 7y/8 ) = 41/24
15x - y = 14
20x + 21y = 41
y = 15x - 14
20x + 21( 15x - 14 ) = 41
20x + 315x - 294 = 41
335x = 335
x = 1
y = 15 - 14 = 1
ОТВЕТ ( 1 ; 1 )