**Please post your test problems this way:**

- Problem:(answer,level of difficulty(easy, medium, hard))
- Example 2x=6: (x=3,easy)
- Example 2x/2+4x/4=4(x=2,medium)

**Please post your test problems this way:**

- Problem:(answer,level of difficulty(easy, medium, hard))
- Example 2x=6: (x=3,easy)
- Example 2x/2+4x/4=4(x=2,medium)