Cho phương trình ax + by = c với a ≠ 0; b  ≠ 0. Nghiệm của phương trình được biểu diễn bởi.

A.  x ∈ R y = − a b x + c b

B.  x ∈ R y = − a b x − c b

C.  x ∈ R y = c b

D.  x ∈ R y = − c b

Huy’s brother (go) _________________ to bed at 10 o’clock.

Look and write.

There ________ a TV in the room.

Read and answer.

My name is Hoang Anh. In my free time, I often go camping with my family. The camp is in the forest near Ba Na Hills. We go there by car in the morning. My father likes fishing in the stream. My mother likes cooking barbecue for us. My brother and I usually play hike-and-seek. It’s so fun. We return home late in the evening. We enjoy camping very much.

Question. Do they love camping?

____________________

Read and complete.

A. How are you today?

B: I’m not feeling very ____________.