1st problem:

*The sum of two numbers is 42. One number plus 2 times the other number is 57. What are the two numbers?*

My math teacher helped me translate it, and he said that it would be written as

*57=(42-y)-2y*, but I think he made a mistake translating it or I did in solving it, because I keep coming up with y = -5 and the answer key said it should be y = 15

Here's how I tried to do it:

*57 = (42-y) - 2y*

57 = 42 - 3y

15 = 3y

-5 = y

57 = 42 - 3y

15 = 3y

-5 = y

Does anybody know what went wrong here?

And if you're not too sick of me by now, I have another word problem that I really can't translate at all.

2nd problem:

*The difference between two numbers is -38. Two times the smaller number minus five times the larger number is -217. What are the two numbers?*

Any help would be greatly appreciated, and sorry for asking you guys to help me with all this at once. ^^;