X-260=350

To solve the equation \( X - 260 = 350 \), you need to isolate \( X \).

1. Add 260 to both sides of the equation:

\[ X - 260 + 260 = 350 + 260 \]

2. This simplifies to:

\[ X = 610 \]

So, the solution is \( X = 610 \).