How do you solve this whole thing ?

Step-by-step explanation:

Let's look at the first two, and hopefully you'll be able to figure the rest out:

1. Answer below

The problem asks us to solve for , so that means we need to get on one side of the equation by itself. To do so, we will need to divide both sides of the equation by :

2. Answer below

The problem asks us to solve for , so that means we need to get on one side of the equation by itself. To do so, we will need to add to both sides of equation: