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[tex] \left \{ {{ \frac{16}{x+y}+ \frac{16}{x-y}=3 } \atop { \frac{8}{x+y}+ \frac{12}{x-y}=2 }} \right. [/tex]
[tex] \left \{ {{ \frac{16}{x+y}+ \frac{16}{x-y}=3 } \atop { \frac{8}{x+y}+ \frac{12}{x-y}=2 }} \right. [/tex]
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