2x-y=1,2

It seems you provided an equation \( 2x - y = 1 \) but the context of "2" at the end is unclear. If you are looking for solutions or a specific aspect of this equation, please clarify.

If you meant to express that you have two equations, we can take it as:

1. \( 2x - y = 1 \)
2. \( 2x - y = 2 \)

If this is the case, then we can analyze the two equations:

Step 1: Rewrite the equations

1. From the first equation, we have: \[ y = 2x - 1 \]
2. From the second equation, we have: \[ y = 2x - 2 \]

Step 2: Set the equations equal to each other

Since both expressions equal \( y \), we can set them to equal one another: \[ 2x - 1 = 2x - 2 \]

Step 3: Solve for \( x \)

Subtract \( 2x \) from both sides: \[ -1 = -2 \] This results in a contradiction, indicating there is no \( x \) that satisfies both equations simultaneously.

Conclusion

The two equations represent parallel lines and therefore have no points of intersection (i.e., no solution). If you have a different question or a different equation, please clarify!