A simple-looking equation—7 – 2(8 – 4)—has sparked plenty of online discussion, reminding us how easy it is to overlook the basics. When problems are written in a compact form, it’s tempting to rush through them. Slowing down and applying a clear method is the key to getting consistent results.
Start by working inside the parentheses. This step always comes first because it isolates a smaller calculation within the larger expression. Here, subtracting 4 from 8 simplifies the equation and sets up the next step.