-2x+y=-4
2x-y-4=0
system of equation
You asked:
Solve the system of equations:\[\begin{aligned}-\left( 2 x \right) + y &= -4\\2 x - y - 4 &= 0\end{aligned}\]
MathBot Answer:
The system of equations has infinitely many solutions.
$$\begin{aligned}x &= \frac{y}{2} + 2\end{aligned}$$
\(y\) is a free variable.