Question

como resolvo isto 4200 = 3.692,23 + R/(1,1)^6

Answer 1

 4200 =3.692,23+R/(1,1)^6 
-3.692,23+4200=-3.692,23+3.692,23+R/(1,1)^6
 507,77=R/(1,1)^6
(1,1)^6.507,77=(1,1)^6.R/(1,1)^6
1,771561.507,77=R
R=899,54552897