Related Post: 8 9 X 3 12 9 2 8 X 3 12 9 X 8 3 4x 12 8 9 X 5 12 X 3 10 12 4 2x 9 )=- 8 X 3 X 3 )- 8 Y 9 )= 129 12 3 8 X 9 1 4 3 8 X 12 9 16 Sanding Belts 12 5 9 3 X 8 Left( Frac 9 8 Right)^ 3 X+12 =1