#Gauss_elimination_method . system of linear equation . solving linear equation with three variations how to solve linear equation with three variants by using Gauss Elimination method system of linear equation NEB class 12 /grade 12 Gauss elimination method 12th maths Nepal find x, y and z of the given linear equation. Gauss elimination method NEB class12 maths. Gauss elimination method of engineering mathematics business mathematics class 12 most important question of linear equation chapter. solve a system of three variable. pair of linear equations. solve the following system of linear equations using Elimination method.