Question

C=11 (N+90)/8; despejar N!!

Answer 1

$c= \frac{11(n+80)}{8}$

$c= \frac{11n+880}{8}$

$8c=11n+880 8c-880=11n   N= \frac{8c-880}{11}$

$N= \frac{8(c+11)}{11}$