2a+2k

The expression \(2a + 2k\) can be simplified by factoring out the common factor, which is 2:

\[ 2a + 2k = 2(a + k) \]

If you need further assistance with this expression, such as evaluating it for specific values of \(a\) and \(k\), or using it in the context of a larger problem, feel free to ask!