Răspuns :
pai uite asa :
19+y-14=68
68+14=82
19+y=82
y=82-19
y=63
Verificare: 19+63-14=82-14
=68 ( e corect )
19+y-14=68
68+14=82
19+y=82
y=82-19
y=63
Verificare: 19+63-14=82-14
=68 ( e corect )