7 x 4 )= 4x 5 July 8, 2019 16 32 64 128 7 x 4 )= 4x 5 how many solutions X 7 4 5 4x 3 7x 4 )( 4x 5 4x 7 2 x 4 5 X y 4 4x 5y 7 3 5x 7 x 4 1 2 5 4x 8 7 2 x 4 5 )= 6 4x 7 4 x )- 5 3x 20 4x 2x 3 7 12 x 4 1 5 4x 5 13 3x 7 6 12x x 4 4x 5 7 left x 4 right )= 4x 5 X 3 7x 4 4x 5 4x 3y 7 x 4 5 6 X 2y 4 4x 5y 7 3 x 7 )= 4 y 5 4x 3y 8 0