7 5 3 5 2x =- 4 5 July 8, 2019 16 32 64 128 3 2x 5 )/ 4 5 7 5x )/ 6 7x 3 5 4x − 7 )( 5x 1 )=( 10x − 3 )( 2x 4 )+ 5 5 2x 5 )+ 3 5x 8 )= 4 5x 7 )+ 16 5x 7 2 3x 9 4 2x 5 3 5 3 2x 7 5 4 5x 5 2 5 x 7 = 35