3 7 2x )= 9x July 8, 2019 16 32 64 128 4 2x 3 )- 7 9x 2 3 x 5 )- 7 2x 1 )=- 9x 20 Log 2x 7 3 9x 3 left 7 2x right )= 9x 7 2x 3 4 9x 5 3 2x 5 3y 7 9x 10y 14 3 2x 5 3y 7 9x 10y 14 by substitution method 3 2x 5 3y 7 9x 10y 12 graph 9x 7 3 )- 2x 7 5 3 9x 2x 5y 7 3 2x 5 3y 7 9x 8x 4 7 )+( 3 2x 3 9x 4 2x 3 5x 7 9x x
