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.
Alɣisaban wən aqalan dǎɣ atiwasanan aśohen; nitamaɣ agudiyan ɣas ye agaraw atwimal meɣ ibanamel ən aliɣi, əd, afal atitila, ye asiɗin ən hadi ən liɣitan.