Question 173014
How many solutions does 11x + 7y = 292 have if x and y are positive integers?
:
7y = 292 - 11x
:
y = {{{((292-11x))/7}}}
:
Put this into a graphing calc like Ti83, look at the table for positive integer x & y:

I got 4:
 x | y
------
 3 |37
10 |26
17 |15
24|| 4