1 - 2x < 7 => -2x < 6 => x < 6 : (-2) = -3.Vậy x < -3

Thay chua giay em kien thuc nay lam sao biet duoc????

Mai:You know,there's a factory outside our town that's pumping chemicals(1)...into the river.....

Nick:How can they do that?Isn't that againist the law?

Mai:Yes,it is.But a lot of companies ignore those laws?

Nick:(2)..That's terrible..... .What can we do now?

Mai:Well,one thing(3)..to do about think.....is to talk to the management

Nick:What if that doesn't work?

Mai:Well,that another way(4)...to stop them....is to get a TV station to run a story on it

Nick:Yes!Companies hate bad publicity.(5)...By the way.....,what's the name of this company?

Mai:It's called Apex Industries

Nick:Oh,no.It was in the news last month

đây là dạng toán tổng hiệu mak bn

số lớn = tổng + hiệu :2

tíc  mình nha

viết lại câu, nghĩa không đổi

1. It is three years since I last saw Minh

-> I haven't.seen Minh for three years ..

2. "Please, open the door for me" said my Grandmother

-> My grandmother told me.to open the door for her..

3. John doesn't play soccer as well as he used to

-> John used to..to play soccer well.

4. "you shouldn't eat fatty food" the doctor said to him

-> the doctor said he...not to eat fatty food.

5. Mr. Huy are older than Mr. Vui

-> Mrs Vui ..isn't as old as Mr Huy.

6. I have used this smart phone for two years

-> I began..using this smart phone two years ago.

7.she didn't want to get bad marks. she tried her best to study

-> because..she didn't want to get bad marks , she tried her best to study.