Answer:
n = 17.5
Step-by-step explanation:
4*17.5 = 70
70 - 5 = 65
115 + 65 = 180
Have a nice day!
17.5
115+(4n-5) are a linear pair.
115+(4n-5)= 180
minus 115
4n-5=65
plus 5
4n=70
divide by 4
n= 17.5
