7^x=7².7⁴

7^x=7⁶

x=6

1.The bus station is near the new shopping center

2.There are five rooms in my house

3.Does the house have a garden in front of it ?

4.English is my favorite subject.

5.The trees are in front of the house

6.The living room doesn't have a telephone

7.That house has two bathrooms

8.The packet has only a few biscuit

Extra Extra Large  = Rất RẤT Lớn

He was advised/had been advised to stop smoking and drinking by the doctor

1.The walls have been painted green.

2.It is believed that someone murder Mr.Stone

 Chứng tỏ rằng hai tia phân giác của hai góc kề bù vuông góc với nhau.