Question

020. If the angles (3a + 5)" and (20 – 25)" are linear pair then find the value of a and then
measures of the u​

Answer 1

Answer:

3a+5 = 20-25

20-25 = -5

3a + 5 = -5

a = -2

Answer 2

3a+5=20-25

3a+5=-5

3a=-10

a=-10/3