||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ x, y, z = var('x,y,z') eq1 = 2*x + 3*y - z == 0 eq2 = 5*x - 3*y + z == 7 eq3 = 8*x + 9*y -3*z == 2 solve([eq1, eq2, eq3], x,y,z)}}} /* code_ends */ * '''Solution by''': * ganesh, developer, space * bhanukiran, student, technical university of Delft * saransh, student, sobhit university