( x + 3 ) = 3

   x = 3 - 3

   x = 0

 Vậy x = 0

II). Complete each sentence using the correct form of the verb in brackets: present continuous or “be going to + infi). In some sentences, two answers are possible.

1.Our relatives …………met………….us at the airport before the flight. (meet)

2. How many customers ……arrive………………today?. (arrive)

3. Hurry up! We …………missing………..the train! (miss)

4. They ………will drive……………..to Vung Tau early tomorrow morning. (drive)

5. I ………brush………..my teeth, have a wash and go to bed. (brush)

6. My friends ……stay…………. With us for the weekend. (stay)

7. We ………will eat……………. At the new restaurant tonight. (eat)

8. Be careful with that vase! You ………are breaking…………….it! (break)

9. The boss ………will see…………….Robert at 9.00 o’clock tomorrow. (see)

10. Bring your coat and gloves! It …………will get…………. Cold later tonight (get)

11. My manager and his secretary …………will fly…………… to Singapore next Friday (fly)

12. They ………will move…………………into their new house next week (move)