If the system of equations  \begin{align*}
4x-3y&=2a,\\
2x+y&=3a,
\end{align*}has a solution $(x,y)$ when $x=3$, compute $a$.
Question:
If the system of equations  \begin{align*}
4x-3y&=2a,\\
2x+y&=3a,
\end{align*}has a solution $(x,y)$ when $x=3$, compute $a$.
Answer:
Let's think step by step.

user
\frac{30}{11}
If the system of equations  \begin{align*}
4x-3y&=2a,\\
2x+y&=3a,
\end{align*}has a solution $(x,y)$ when $x=3$, compute $a$.
train