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Non-linear diophantine equations watch

1. (Original post by Monaa123)
...
-7 + 2x5 = 3

So, -7 = 3 (mod 5)
2. (Original post by ghostwalker)
-7 + 2x5 = 3

So, -7 = 3 (mod 5)
Ohh, I think I get it. So for example if instead of -7y^2 it was say -23y^2 would you do -23 + 5x5 = 2

So, -23 = 3mod(5)?
3. (Original post by Monaa123)
Ohh, I think I get it. So for example if instead of -7y^2 it was say -23y^2 would you do -23 + 5x5 = 2

So, -23 = 3mod(5)?
You mean -23 = 2 mod 5
4. (Original post by davros)
You mean -23 = 2 mod 5
Yep, sorry, that's what I meant!

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