Introduction to

* objective: 

- To find out the value of unknown numbers or variable. 

 

* Remember:

 

We start with something like x + 4 = 5

We end up with something like x = 1

 

 

 

Keep both sides balanced.

What we do to one side; we do the same with the other side.

 

 

 

 

 

 

 

 

Try it yourself!

​

* m + 6 = 10

​

* f ÷ 5 = 2

​

* x - 7 = 3

​

* a x 4 = 20

​