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Remember this lesson from Introduction to Mathematics? The equal signs displayed there is algebra. YES, you don't realize it, but you are trained to solve algebraic equations since Kindergarten or 1st grade, if you are lucky! However, sometimes algebra can be hard, especially with multiple variable algebraic equations.

When is algebra hard?


In this example, x is 2. However, this is complicated algebra.

Now, if we want to find out x's value, we must equally subtract or add something to both sides. Let's subtract one from both sides, so now we have... , which equals .
Here, 1 is x, so x equals 1.