LaTeX.org

Thanks for the reply, it helped.

I've come up with the following code, which is closer to what I want, but not quite. It puts the vertical dots at the far right, and then aligns the b terms with the dots, rather than align the vertical dots with the b terms. In other words, I want the b terms to be ...

In the below code segment, I've managed to create two columns, but any attempt to create a third, to align the second column of vertical dots with the 'b' terms fails. How do I create this third alignment column?

\begin{alignat*}{2}
&maximise\, \quad &&c_1x_1 + c_2x_2 + \ldots + c_nx_n \\
&subject ...