Question

Valoarea lui x care verifica ecuatia x-7,(1)=1,(4)

Answer 1

x-7,(1)=1,(4)

x = (9*1+4)/9+(9*7+1)/9=77/9=8,(5).

Answer 2

x - 7,( 1) = 1,(4)

7,( 1) = ( 71 - 7 ) / 9 = 64 / 9

1,(4) = ( 14 - 1) / 9 = 13 / 9

x - 64 / 9 = 13 / 9

x = 13 / 9 + 64 / 9

x = 77 / 9

x = 8,(5)