Question 19
The graphs of the equations
$$
\begin{aligned}
y & = -x + 8 \\
173y & = -289x + 2021
\end{aligned}
$$
on the Cartesian plane intersect at $(a, b)$. Find $a + b$.
$$
\begin{aligned}
y & = -x + 8 \\
173y & = -289x + 2021
\end{aligned}
$$
on the Cartesian plane intersect at $(a, b)$. Find $a + b$.