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Basic algebra question....
I'm trying to help my brother solve a question his teacher has given him, although I think it's worded incorrectly, and have been staring at it for quite some time. Does anyone here know what the teacher might be looking for? I really don't understand what he means when he says:
Re: Basic algebra question....
It's not as hard as you think it is. Just list the terms:
"In the real world, this would be a problem. But in mathematics, we can just define a place where this problem doesn't exist. So we'll go ahead and do that now..."