+0  
 
0
90
1
avatar+280 

------Thanks! coollaugh

 Apr 22, 2020
 #1
avatar+21931 
+1

First problem:

I graphed this and the only (positive, positive) integer points that I can find are (5, 1)  and  (29, 19);

so the answer could be 20.

 Apr 22, 2020

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