Question

When you solve an equation, how do you know when to add and when to subtract? You may include an example if you need to.

Answer 1

Depends which one you need to express the unknown (x mostly)
Example
x-23=1
You need to add 23 so that
x-23+23=1+23
x=24

Answer 2

\[\Huge \frak Andras The Wizard\]

Answer 3

:D Thanks