212k views
4 votes
When x is decreased by 129 and then that number is multiplied by 129 , the result is 129. What is the value of x?

1 Answer

3 votes
basically the total of the line or any line is 180°
if one side is 129°
then the other is 180-129
which means x = 51°
User Gfrigon
by
4.6k points