Step 1 ) 2x+15 vertical opp angle with missing angle and 2x +5 an be added to one another, when - 180 degree = 0 as we need to divide total for x into 180 to find the value
Step 2)
2x+15 + 2x+ 5 - 180 = 0
4x+ 20 -180 = 0
4x-160 = 0
4x=160
x =160/4
x =40 degree
Step 3) Find the degree value of 2x+ 15 = 2(40) + 15 = 80+15 = 95
Step 4) You an also prove 180 degree total of 2x+ 5 = 2(40) + 5 = 80+5 = 85 where 95+85= 180
