( 3728-y):54=69
3728-y=69*54
3728-y=3726
y=3728-3726
у=2
(148+ z)×3=158
раскроем скобки
444+3z = 1584
3z-1140 = 0
3z = 1140
z = 380
992:(130-x)=62
130-x=992:62
130-x=16
x=130-16
x=114
(715-x)×83=8383
59345-83x = 8383
-83x+50962 = 0
83x-50962 = 0
83x = 50962
x = 614
( 3728-y):54=69
3728-y=69*54
3728-y=3726
y=3728-3726
у=2
(148+ z)×3=158
раскроем скобки
444+3z = 1584
3z-1140 = 0
3z = 1140
z = 380
992:(130-x)=62
130-x=992:62
130-x=16
x=130-16
x=114
(715-x)×83=8383
раскроем скобки
59345-83x = 8383
-83x+50962 = 0
83x-50962 = 0
83x = 50962
x = 614