5 7x 2 1 4x July 8, 2019 16 32 64 128 1 2 5 7x 8 4x 6 5 4x 2 1 7x 3 4 5 7x 1 2 2x 4x 1 4x 7x 5 2 4 3x 1 1 2 4x 5 6 7x 3x 2 4x 5 7x 2 3x 1 Solve the equation 5 − 7x 2 1 − 4x 7x 5 3 4x 1 2 0 4x 5 7x 2 3x 6 )- 1 2 7x 1 )+ 5 4x 2 )= 9 3 3x 1 5 2 7x 15 4x 4