||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ x, y, z = var('x,y,z') eq1 = 4*y + z == 0 eq2 = 12*x - 5*y -3*z == 17 eq3 = -6*x + 4*z == 4 solve([eq1, eq2, eq3], x,y,z)}}} /* code_ends */ * '''Solution by''': * ganesh, developer, space * bhanukiran, student, technical university of Delft * saransh, student, sobhit university