4w= w+4, solve for just plain old w, and then just multiply that by 3 for 3w.
Integers are the set of whole numbers and their opposties, so zero (0), positives, and negatives, are all in play.
Did some of this get cut off? Fallacies is what you intended to type above, correct?
The Founding Fathers (or at least some members of that group) probably could have been perceived to be reversing themselves on more than one occasion. It very difficult to get that many different people to compromisingly agree to something.
y=mx+b with m being the slope and b being the y intercept (0, whatever). Divide through by 9 to get 1/9 x + y = 2 or y= -1/9 x + 2