(3728-у):54=69
3728-у=3726
-у=3727-3728
-у=-2
у=2
(148+z)*3=1584
444+3z=1584
3z=1140
z=380
992:(130-х)=62
992=62(130-x)
16=130-x
x=144
(715-х)*83=8383
59345 - 83 х = 8383
-83х=8383-59345
-83х=-50962
х=614
(3728-у):54=69
3728-у=3726
-у=3727-3728
-у=-2
у=2
(148+z)*3=1584
444+3z=1584
3z=1140
z=380
992:(130-х)=62
992=62(130-x)
16=130-x
x=144
(715-х)*83=8383
59345 - 83 х = 8383
-83х=8383-59345
-83х=-50962
х=614