To match a (75 - j40) Ω load to a 75 Ω coaxial line at 6 MHz, a matching network can be implemented. This can be achieved using a combination of inductance or capacitance. Specifically, adding a capacitor in parallel can help cancel out the reactive component (the -j40), bringing the load closer to the desired 75 Ω impedance for optimal power transfer. The exact values of the matching components can be calculated using impedance transformation techniques.