Linear differential equations, which have solutions that can be added and multiplied by coefficients, are well-defined and understood, and exact closed-form solutions are obtained.
Alɣisaban wi abdanen anilkamnen, əs liɣitan adobatnen adiqilan awiɗan əd asinimiƭif fal coeffiəientan, aqalan ahusken atiwasanan əd atiwafhaman, əd liɣitan oɣadnen daw əmik iharan aqalan atiwagrawan.