We have,
58 n = 20
Now, transposing 8 to RHS we get,
⇒ 5n = 20 × 8
⇒ 5n = 160
Now, transposing the term 5 to RHS we get,
⇒ n = 1605
⇒ n = 32
∴ The value of n = 32.