4x 7 6x 5 2x July 8, 2019 16 32 64 128 7 4x 3x 5 6x 1 2x 3 6x 7 3x 2 4x 5 2x 3 4x 9 5 2x 7 )- 6x 6x 7 3x 4 4x 5 2x 3 4x 3 2x 5 6x 7 ≤ 7x 2 6x 5 4x 7 3x 5 2x 6 6x 7 3x 2 4x 5 2x 3 solve and check 6x 7 3x 2 4x 5 2x 3 solve the equation 5 6x 10 )= 7 4x 7 )+ 2x 4x 9 5 2x x 7 6x 8