2x 7 3 x 1 5 July 8, 2019 16 32 64 128 2x 7 3x 5 1 4 2x 1 3 x 7 2 5 2x 3 7 12 x 4 1 5 4x 5 13 2x 3 )( 3x 5 )=( 6x 1 )( x 7 3 x 5 )- 7 2x 1 )=- 9x 20 2x 1 3 7 x 6 5x 3 2 4 2x 3 7 3x 5 1 2x 7 (- 3 x 2 1 9 )( 3x 5 18 If 2x 3 7 and 3x 1 5 y the value of y is 2x 7 5 x 3 10 x 1 15 0 7 2x 1 5x 3 x 4
