Question

L= a+(n-1)d SOLVE FOR N ​

Answer 1

Answer:

$n = \frac{l-a}{d}+1$

Step-by-step explanation:

$l= a+(n-1)d$

$l -a =(n+1)d$

Divide both sides of the equation by d

$\frac{l-a}{d} = \frac{(n-1)}{d}\\ \\\frac{l-a}{d} = n-1\\\\\frac{l-a}{d}+1 = n$