( x + 4/25 ) -21/50 =34/75
х+4/25-21/50=34/75
х+8/50-21/50=34/75
х-13/50=34/75
х=34/75+13/50
х=68/150+39/150
х=107/150
( x + 4/25 ) -21/50 =34/75
х+4/25-21/50=34/75
х+8/50-21/50=34/75
х-13/50=34/75
х=34/75+13/50
х=68/150+39/150
х=107/150
х+ 4/25 - 21/50= 34/75
х- 13/50=34/75
х= 34/75 + 13/50
х= 107/150