Question

2(w+18+W)=2(w+18−6+w+3)
perimeter is 126
whats w = to?

Answer 1

In your previous post of this same question, I showed you that this equation has no answer.

Since you posted this new one after I posted my reply, you did not even look at it.
Clearly you have some type of typo or the question is bogus.

Answer 2

That's ok, Reiny. He ignored me, too...