Related Post: 5 2x 1 5 X 4 5 (- 2x 5 )- 1 - 4 X 2.5 5 2x 1 4x 5 4 X 2x 1 5 X 4 3 5 1 5 X 4 2 2x 1 )/ 5 X 4 )/ 2 7 2x 1 )+ 5 X 4 Y =( 2x 1 5 X 4 3 6 11 2x 1 )- 5 X 4 )= 9 5 2x 1 )+ 3 X 4 )= 71