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And now that I look at the problem again, I suddenly realized that it's not a valid problem. In the original ad there was a space after "5 +," and you were supposed to fill it out. Which I just realized is impossible with just the information given.
Btw, when I opened this thread I saw this ad next to it:
Interestingly, I've never seen this ad on chess.com before. Is it a conicidence that it's on this thread?
3 variables & 1 equation.
That's why you need to go to their website and pay lots of money!
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