3 2 b dfrac 7 4 July 8, 2019 16 32 64 128 Solve the equation dfrac 3 2 b dfrac 7 4 B - frac 7 4 frac 2 3 B) 4 ^ 3 + 7 ^ 2 Frac 2 3 3 4â‹…bâ‹…2 3 Frac 2 3 - frac 1 2
