<|system|>
Solve for $x$: $5 - x = 8$.</s>.
<|user|>
Can you answer based on context?
<|assistant|>
Now I need to move the 8 to the other side, so I subtract 8 from both sides. This gives me $5 - 8 = x$. Simplifying, I get $-3 = x$. 