Question 1050398
Let x and y be the angles
x + y = 180
add -y to each side
x = 180 - y
x - 5  = 4y
substitute  (180 - y) for x
(180 - y) - 5 = 4y
175 - y = 4y
add y to each side
175 = 5y
divide each side by 5
35 = y
Since x = 180 - y, x = 180 - 35
x = 145
The larger angle is 145 degrees.