## Algebra wouldn't be fun if it were this easy to find x!

It's all about using step-by-step logic to figure out missing numbers.

### There's more than one way to find x.

## One Always Equals The Other

Equation comes from the word **equal**, so one side of an equation will always be equal to the other side. If you can find the value of one side, you'll know the value of the other.

## Work it out!

### Use the clues below to solve this equation:

### 2x = 12 - 8

What's the value of the right side?

What number, if you multiply it by 2, will give you the same value of the right side?

#### Quiz

What's x?

1

2

3

4

## Opposites Attract

Since both sides of an equation are equal, they'll **balance each other out. ** If you look at one side's symbol and **apply the opposite symbol** to the other side, you can find the balance to work out the equation.

Think of it like a seesaw. If the person on the left of the seesaw is up in the air, the other person has to push down on the other side for the seesaw to even out.

So if **one side has multiplication**? Use **division on the other side** to work out the balance.

## Work it out!

### 5x - 3 = 12

You need to isolate x on the left side, so you need to get 5 and 3 to the right side.

### Follow the steps below to solve this equation:

Move

**- 3**to the right side, make it**+ 3,**and**add****it to 12**The value of the right side: 12 + 3

**= 15**Move

**5**to the right side and**divide****it into 15**

#### Quiz

What's x?

2

3

4

5

## Take Action

## Who knows what you'll be able to solve next!

Once you're comfortable with these go-to strategies for solving x, you'll be able to do more and more with algebra.

### The next time you're doing an algebra equation:

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## This Byte has been authored by

### Steve Birek

Virtual Facilitator