Question 152
Find the sum of all solutions for $x$ :
$$
\begin{aligned}
x y & = 1 \\
x + y & = 3
\end{aligned}
$$
$$
\begin{aligned}
x y & = 1 \\
x + y & = 3
\end{aligned}
$$
MathNet 2008-part-04 — 165 problems (EN–VI) Question 152
Math Olympiad Vault · MathNet 2008-part-04 — 165 problems (EN–VI)