Question 899651
Let A and B be the two angles that are supplementary.


Let A = 4x-10
Let B = 5x+1



A+B = 180
(4x-10)+(5x+1) = 180
9x-9 = 180
9(x-9) = 180
x-9 = 180/9
x-9 = 20
x = 20+9
x = 29



The value of x is x = 29