Solve the following system of equations for all three variables. minus, 5, x, plus, 8, y, minus, 3, z, equals, 0 −5x 8y−3z= 0 5, x, minus, 3, y, plus, 4, z, equals, 5 5x−3y 4z= 5 5, x, minus, 3, y, plus, 2, z, equals, minus, 5