Răspuns :
a+b=64
a:b=3 rest 8
a=3b+8
3b+8+b=64
4b+8=64
4b=64-8
4b=56
b=56:4
b=14
a=3b+8
a=3x14+8
a=50
a:b=3 rest 8
a=3b+8
3b+8+b=64
4b+8=64
4b=64-8
4b=56
b=56:4
b=14
a=3b+8
a=3x14+8
a=50