$$
Now we have two equations:
$$\begin{aligned}
2x-6y&=10, \\
x-3y&=5.
\end{aligned}$$
We can solve for $x$ in the second equation:
$$x=3y+5.$$
Substituting this expression for $x$ into the first equation, we get:
$$2(3y+5)-6y=10.$$
Simplifying, we
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