LOL, Someone linked this in the comments to show that the correct answer is 1: .
I wonder what historical reference they're using that shows that as the old way. You might actually be able to find an old document laying out conventions that would work that way before modern notation was standardized, but I doubt that's what they did. And the fact that the most powerful nation on Earth has its educational facilities telling the kids that both answers are equally correct is just insane.
LOL, Someone linked this in the comments to show that the correct answer is 1: [Algebra Calculator](https://www.mathpapa.com/algebra-calculator.html).
I wonder what historical reference they're using that shows that as the old way. You might actually be able to find an old document laying out conventions that would work that way before modern notation was standardized, but I doubt that's what they did. And the fact that the most powerful nation on Earth has its educational facilities telling the kids that both answers are equally correct is just insane.
(post is archived)