В)6703-z=303
-z=303-6703
-z=-6400
z=6400
г)(524-m)-133=207
524-m-133=207
-m=207-524+133
-m=-184
m=184
В)6703-z=303
-z=303-6703
-z=-6400
z=6400
г)(524-m)-133=207
524-m-133=207
-m=207-524+133
-m=-184
m=184