Question 774778
n1 + n2 = 180
n2 = 10 + 4 (n1)
10 + 4(n1) + n1 = 180
5n1 + 10 = 180
5n1 / 5 = 170 / 5
n1 = 34 degrees ans.

n2 = 10 + 4 (34)
n2 = 146 degrees ans.