You can put this solution on YOUR website! Goal: to isolate w by it's self to determine the value.
You would combine like terms first
-6w - 12 - 3w = 2
-9w - 12 = 2 ----add 12 to both sides
-9w = 14 --------divide each side by -9
w =
or w = -1.5557
i hope this is what you needed! if not let me know.