Level:
Project ID:
9000023908
Accepted:
1
Clonable:
0
Easy:
0
Let \([x;y]\)
be the solution of the system
\[\begin{aligned}
2x - y & = -1, & &
\\4x - y & = 1. & &
\end{aligned}\]
In the following list identify a true statement.
\(y\) is
a prime number.
\(x\) is
a prime number.
\(x + y\) is
a prime number.
\(x - y\) is
a prime number.