How do you solve for p: 2(p + 2) = r?
When solving for a variable in a formula, the variable in question has to be completely alone, with a coefficient of 1.
2(p + 2) = r
2p + 4 = r
2p = r - 4
So, p =
Here is one more complicated question for your practice:
Solve for x in the following equation:
Feel free to ask how to do this one should you run into troubles.
Enjoy, and best of luck!