((6*2)+y)+(x+15)
i hope this helps if not sorry
do you want to know what "r" stands for
<span>8x-27-10-6x=15
2x-37=15
2x=15+37
2x= 52
x=26</span>
True. Diameter is a line segment joining two points on a circle and passing through the center of the circle.
