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( X + 175 ) : 5 + 30 = 420 + 65 x 4

( X + 175 ) : 5 + 30 = 420 + 260

( X + 175 ) : 5 + 30 = 680

( X + 175 ) : 5=680-30

( X + 175 ) : 5=650

X + 175=650x5

X + 175=3250

X=3250-175

X=3075

hì mình làm đúng

cà mau

 x         = 105

chọn...

1. Her mother (left/ leaves/ is leaving/ will leave) this city two years ago

2. I'll try my ( better/ best/ good/ goods) to improve my English

3. We will meet him ( for/ in/ on/ at) monday

4. He does morning exercises regulary (in order for/ so as to/ so that/ in order that) improve his heath

5. Vietnamese language is different ( as/ like/ from/ with) English language

6. Jane is ( as/ like/ the most/ more) beautiful than her sister

7. We have lived in Ha Nam (since/ for/ in/ on) 1990

Comment on what each person says. Use the word in brackets.

1. Claude : I study encyclopesias. Then I can answer quiz questions ( so that )

=> I study encyclopesiasso that I can answer quiz questions

2.Vicky : I'm saving up. I'm planning a holiday (for)

=> I'm saving up for planning a holiday

3.Nick ; I keep a dog . It guards the house ( to)

=> I keep a dog to guard the house

4. Olivia : I booked a babysitter. I wanted to go out for the evening ( so that )

=> I booked a babysitter so that I went out for the evening

5. Jessica : I'm going on a diet . I want to lose weight ( in order to )

=> I'm going on a diet in order to lose weight

6.Trevor : I often switch off the heating. It saves money ( to)

=> I often switch off the heating to save money

7.Sarah : I had to go to Birmingham. I had a business meeting (for)

=> I had to go to Birmingham for a business meeting

8. Emma : I wore boots because I didn't want my feet to get wet ( so that)

=> I wore boots so that I didn't want my feet to get wet

9.Mark : I'm saving my money. I'm planning to travel in Europa next summer ( In order to )

=> I'm saving my money in order to plan to travel in Europa next summer

2.x-138=2^3.3^2

2.x-138=8.9

2.x-138=72

2.x       =72+138

2.x      =210

  x        = 210:2

 x         = 105

Vậy x=105

k mk nha

toi biet lam bai 3 ay