Question

n+1 supra 12 =5 supra 3 va rog sami raspundeti

Answer 1

N+1=12x5/3 (12 si 3 se simplifica prin 3)
N+1= 4x5
N+1= 20
N=20-1
N= 19

Answer 2

$\frac{N+1}{12} = \frac{5}{3} = \frac{N+1}{12} = \frac{20}{12} = \frac{20-1}{12} = \frac{19+1}{12} = \frac{5}{3}$