2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/170797In this paper we use the generalized tanh method to obtain exact solutions for a class of fifth-order nonlinear systems. A particular case is give by the integrable Mikhailov--Novikov--Wang system (MNW). Periodic and soliton solutions are formally derived. The mathematica is used.6 pagesExactly Solvable and Integrable SystemsPattern Formation and Solitonstext