Question

16
(viii) 3х +
(x) 13 - бn = 7
(хі) Нn + 1 = 1​

Answer 1

please marke as brainleast answer

Step-by-step explanation:

9th answer

13-6n=7

13-7=6n

6=6n

6/6=n

1=n

10th one

Hn+1=1

Hn=1-1

Hn=0