Final answer:
When working in solid modeling, after enabling the subtraction tool, you should select the Cut option to remove or cut away specific parts from the solid object.
Step-by-step explanation:
When working in solid modeling, after enabling the subtraction tool, your next step is to select the Cut option. This option allows you to remove or cut away specific parts from the solid object. By selecting the Cut option, you can define the shape and location of the cut using various tools and parameters.