Answer :

Heather

[] We can create numerous different expressions;

-> All these expressions, when simplified, equal 12

-> An expression is an "equation" with only one side, it doesn't have an equal sign and can only be simplified. It cannot be "solved" the same way that an equation can

2 + 10

5 + 7

24 / 2

3(4)

4(1 + 2)

Etc

Have a nice day!

     I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.

- Heather

Answer:

2x - 6 = 18

   +6    +6

2x      = 24

---         ---

2           2

x       = 12

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