The points H, Y, S, R, E and B lie on line segment HB in that order.
Y is the midpoint of line segment HR. E is the midpoint of line segment SB.
If HY= x^2+2x+1, SR= 5x-1, YS= 2, RE= 7 ; x=? HY=? SR=? EB=?
If HY= x^2-2x-2, YS= 4-x, SR= x^2-1, RE=2x+23, EB= 2x^2-13
