4x 7 2 x 4 5 July 8, 2019 16 32 64 128 7 2 x 4 5 )= 6 4x Solve 4x + 7 = 2(x + 4) - 5 4x 7 1 2 =- 3 4 2x 5 4 4x 6 7 x 2 )- 5x 4 x 7 2 4x 2 56x 196 4 2 x 5 )= 7 4x 1 4) 4x ^ 2 =7x+7 5