у-27=45
у=45+27
у=72
37+х=64
х=64-37
х=27
63 - (25+z) = 26
25+z=63-26
25+z=37
z=37-25
z=12
(x-653) + 308=417
x-653=417-308
x-653=109
x=109+653
x=762
у-27=45
у=45+27
у=72
37+х=64
х=64-37
х=27
63 - (25+z) = 26
25+z=63-26
25+z=37
z=37-25
z=12
(x-653) + 308=417
x-653=417-308
x-653=109
x=109+653
x=762