Dfrac 3 5 frac 7 10 frac 1 2 July 8, 2019 16 32 64 128 Dfrac 2 3 Dfrac 1 2 Dfrac 3 2 x - dfrac 1 5 = dfrac 4 2 x - dfrac 5 4 2 3 x− 5 1 = 2 4 x− 4 5 What is dfrac 4 7 - dfrac 2 7 7 4 − 7 2