Answer:
X = 4
Step-by-step explanation:
16x -3 = 12x+13
16x-12x=13+3
4x= 16
x = 16/4
x=4
each friend gets 9 figures because 9 x 4 = 36
There is no relationship among the angles in a triangle.
Each of them may have any measure it wants, and that doesn't
necessarily have any immediate effect on the others ... only subject
to the Golden Prime Directive: Their sum must be exactly 180 degrees.