Great question! Let's start by combining terms.
Starting with:
8p + 4 = -p + 7 + 2p + 3p
We can add all terms of "p" on the right side, leaving our equation to be
8p + 4 = 4p + 7
Now, we can subtract 4p from both sides:
4p + 4 = 7
Finally, subtract 4 from both sides
4p = 3
