Question

15 points to whoever gets this right :)

Answer 1

n = 19

Explanation:

2n + (3n - 5) = 90 (right angle)

⇒ 5n - 5 = 90

⇒ 5n = 95

n = 95/5

n = 19

Answer 2

5n-5=90
5n=85
N=17
Your welcome