3k-4y+2k-(-y)

To simplify the expression 3k - 4y + 2k - (-y), we can combine like terms:

First, let's add the like terms with k:

3k + 2k = 5k

Next, let's add the like terms with y:

-4y - (-y) = -4y + y = -3y

Putting it all together, we have:

3k - 4y + 2k - (-y) = 5k - 3y