4 5 x 1 1 2 x 7 8 July 8, 2019 16 32 64 128 4 5 x 1 2 x 7 8 as a fraction 2 4 5 x 1 3 7 x 3 1 8 4 ^ (x + 1 5) + 7 * 2 ^ (x + 1) = 4 7 ⋅ ( x − 4 ) = 5 ⋅ ( x − 2 )
