Level:
Project ID:
1003083004
Accepted:
1
Clonable:
0
Easy:
0
Find the real number \( a \) such that the following system of equations has no solution.
\[ \begin{aligned} \frac25x-\frac a4y&=4 \\ -\frac x4 + \frac{5y}8&=\frac52 \end{aligned}\]
\( 4 \)
\( -\frac52 \)
Such a real number \( a \) does not exist.
\( -4 \)