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stepladder [879]
3 years ago
7

Given 7x + 11y = N, what is the highest number N can be to produce an answer of No solution. (X,y) must be positive.

Mathematics
2 answers:
lesya [120]3 years ago
8 0
<span>Since x and y must be positive, 7x and 11y are positive either. That means 7x + 11y > 0. Then we would obtain N > 0 because 7x + 11y = N. That also means N must be positive. So if we set N to be zero or negative, there would be no solution. Thus, to produce an answer of No solution, the highest number N could be is 0.</span>
Svet_ta [14]3 years ago
3 0
Since x and y must be positive, 7x and 11y are positive either. That means 7x + 11y > 0. Then we would obtain N > 0 because 7x + 11y = N. That also means N must be positive. So if we set N to be zero or negative, there would be no solution. Thus, to produce an answer of No solution, the highest number N could be is 0. 
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