Vietnamese Olympiad national 2007, problem 1
Source:
February 8, 2007
algebrasystem of equationsalgebra unsolved
Problem Statement
Solve the system of equations:
\{\begin{array}{l}(1+\frac{12}{3x+y}).\sqrt{x}=2\$1-\frac{12}{3x+y}).\sqrt{y}=6\end{array}$