2m-1m+10m

To simplify the expression \( 2m - 1m + 10m \), you can combine the like terms.

1. Combine the coefficients of \( m \): \[ 2 - 1 + 10 = 11 \]

2. Therefore, the expression simplifies to: \[ 11m \]

So, \( 2m - 1m + 10m = 11m \).