Roa Alhussin Saad Gebril2018-07-032018-07-032018-04http://hdl.handle.net/123456789/12116In this study, we solve differential equations by using Laplace transformation and we compare it with Elzaki transformation and we also solve system of ordinary differential equations by using combined Laplace transform - Adomian decomposition method compared with combined Elzaki transform - Adomian decomposition method .enDifferential EquationThesis