Question

х-38=64
х-479=164
(х+83)-92=45

Answer 1

x=64+38=102
x=164+479=648
x+83=45+92=138-83=55

Answer 2

х-38=64
х=64+38
х=102

х-479=164
х=164+479
х=643

(х+83)-92=45
х+83=45+92
х+83=137
х=137-83
х=54