Question 259701: Let the operation x ¤ y be defined by x ¤ y = (2y + x) + (3x - y).
If 2 ¤ 1 = 3 ¤ w, what is the value of w? Answer by drk(1908) (Show Source):
You can put this solution on YOUR website! Don't be freaked by the operation they give you. Looking at it, we can say that it means
"twice the second + the first + 3 times the first minus the second"
We can actually simplify this as
--
We start with
2 ¤ 1 = 4(2) + 1 = 9
and then
3 ¤ w = 4(3) + w
--
set them equal to get
(