Persamaan puniki méweh yéning pinehang sejangkepnyané; para jadmané ketah ngrereh puniki wantah anggén manggihin wénten napi ten solusinyané, miwah yéning wénten, kaanggén meték akéhnyané solusi.
These equations are difficult in general; one often searches just to find the existence or absence of a solution, and, if they exist, to count the number of solutions.