33x+5y=152
14x-13y=4
14x=4+13y
x=(4+13y)/14
(33(4+13y)/14)+5y=152
(132+429y+70y/14)=152
132+499y=152×14
499y=2128-132=1996
y=1996/499=4
x=(4+13×4)/14=(4+52)/14=56/14=4
ответ: x=4; y=4
33x+5y=152
14x-13y=4
33x+5y=152
14x=4+13y
33x+5y=152
x=(4+13y)/14
(33(4+13y)/14)+5y=152
x=(4+13y)/14
(132+429y+70y/14)=152
x=(4+13y)/14
132+499y=152×14
x=(4+13y)/14
499y=2128-132=1996
x=(4+13y)/14
y=1996/499=4
x=(4+13×4)/14=(4+52)/14=56/14=4
ответ: x=4; y=4