Answer:
the number of words made = w
the number of tiles not used = t
the points earned from words made = 10w
the points taken away from tiles not used = 3t
(srry if this is wrong but I believe it's correct)
You literally just need to click yes then call it a day it’s simple don’t worry too much :D
-x+26=2x-10
+x +10 +x +10
36+3x
divde by 3
12=x
m∠D=2(12)-10
=24-10
=14