Related Post: 2x 5 1 2 3x 13 5 2x 1 )+ 6x 13 3 3x 2 2x 2 1 3x 3 )+( 5 13x 11x 2 5 2x 1 )- 2 3x 2 )+ 3x 13 5x 2x - 5 = 13