7x 9 5x 3 2x 1 ) 2 July 8, 2019 16 32 64 128 5x 3 7x 1 )(- 2x 2 3x 9 (- 8x 3 7x 2 x 9 )+( 5x 3 3x 2 2x 1 7x 9 5x 3 2x 1 )+ 2 5 x 7 = 35 3. 1) 7x - (3 + 2x) = x + 9 2) 13 - (2x - 5) = x - 3 3) 3x - (10 - 9x) = 22x 4) 26 - (17 - 2x) = 5x (9x - 7)/(3x - 2) - (4x - 5)/(2x - 3) = 1
