-5y-8x=4
ax-15y=12
You asked:
Solve the system of equations:\[\begin{aligned}-\left( 5 y \right) - 8 x &= 4\\a x - 15 y &= 12\end{aligned}\]
MathBot Answer:
The system of equations has infinitely many solutions.
$$\begin{aligned}x &= 0\\y &= - \frac{4}{5}\end{aligned}$$\(a\) is a free variable.