The angles below are supplementary. What is the value of x?
1) 4
2) 6
3) 14
4) 22

Answer:
4) 22
Step-by-step explanation:
A linear pair of angles totals 180°.
(5x +20°) +50° = 180°
5x = 110° . . . . . . . . . . . . . subtract 70°
x = 22° . . . . . . . . . . . divide by 5