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