х+х+65+(х-12)=244
х+х+(х-12)=244-65
х+х+(х-12)=179
2х+(х-12)=179
3х-14=179
3х=179-14
3х=165
х=165:3
х=41,5
х+х+65+(х-12)=244
х+х+(х-12)=244-65
х+х+(х-12)=179
2х+(х-12)=179
3х-14=179
3х=179-14
3х=165
х=165:3
х=41,5