A x dfrac 1 4 x 25 2 625 July 8, 2019 16 32 64 128 Dfrac 1 2 2 1 от 16 Dfrac 3 2 x - dfrac 1 4 = 5 left( dfrac 7 2 x - dfrac 5 4 right) 2 3 x− 4 1 =5( 2 7 x− 4 5 ) Dfrac 3 2 x - dfrac 1 5 = dfrac 4 2 x - dfrac 5 4 2 3 x− 5 1 = 2 4 x− 4 5 Dfrac 1 2