Question 1015269
1/x+1/y=3
1/x-1/y=3
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Sub r for 1/x, s for 1/y
r + s = 3
r - s = 3
---------- Add
2r = 6
r = 3 --> x = 1/3
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s = 0 --> y = 1/0
y is undefined --> no solution.