Предмет: Алгебра, автор: sashkashkirya

2x - 12 = 4(x - 7) будь ласка допоможіть

Ответы

Автор ответа: bsromka13

Ответ: х = 8

Объяснение:

2х - 12 = 4х - 28

2х - 4х = 12 - 28

-2х = -16

х = 8

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Русский язык, автор: zzhaanikk

нурдолла идея стихотворение
Пожалуйста скажи ответь!!

1 год назад

Предмет: Английский язык, автор: taranenkosalomiya83

Допоможіть будь-ласка з самостійної з англійської мови. Дам 96 баліів!!!
Choose the correct option.
0 I was on a package / excursion / cruise holiday in Egypt last summer. It was great because everything was organised for us.
1 My sister and her husband are on a(n) excursion / expedition / cruise at the moment. Their ship left Southampton yesterday and they’re sailing to New York.
2 I’m bored. Let’s go on a short break / journey / excursion around our town and try to discover somewhere or something new.
3 How much money do you think you need for a one-year break / journey / package tour around the whole of Europe? A million Euro?
4 A(n) break / holiday / expedition through the wild parts of Africa doesn’t sound like fun to me!
5 We went on a city journey / break / holiday to Dublin for a few days and had a wonderful time. I highly recommend going.
___ / 5

2 Choose the correct option a–c.

This summer, our yearly school 0 __ didn’t start very well. Although we left 1 __ the campsite from the train station at 10:00 a.m., we didn’t arrive 2 __ London – where we had to get a coach – until nearly 4:00 p.m. Our teacher decided to 3 __ coach to the campsite in Hastings because he thought it was the best way to travel. But because of traffic jams it was after 9:00 p.m. when we finally arrived and put 4 __ the tents! We were so tired we went straight to sleep. Camping can be fun but this time it started more like an adventure 5 __ !

0 a trip b journey c break
1 a for b at c to –
2 a at b to c in
3 a go by b miss c take
4 a on b up c off
5 a journey b excursion c holiday
___ / 5

3 Choose the correct option.
0 I didn’t answer / was answering the phone when you called because I drove / was driving.
1 As I packed / was packing my bag, I found
/ was finding 100 dollars in one of the side pockets. How about that?!
2 A big storm started / was starting over Hungary while our parents travelled / were travelling by plane to Budapest.
3 Linda ate / was eating a big ice-cream when Barry took / was taking that photo. Look, you can see some chocolate on her chin! What a funny photo!
4 Who did you talk to / were you talking to when I saw / was seeing you waiting for a bus? Was that Janet Long?
5 We watched / were watching some dolphins swimming and playing in the water while we sailed / were sailing on the ocean. Beautiful.
6 We went / were going for a swim when it suddenly began / was beginning to rain.
___ / 6

4 Complete the conversation with the correct Past Simple or Past Continuous forms of the verbs in brackets.
A: What 0 were you doing (you / do) at 3 o’clock yesterday? I 1 ___________ (call) you on your mobile for half an hour.
B: I 2 ___________ (watch) Deadpool 2 with Barry at the Phoenix cinema.
A: Cool! I 3 ___________ (hear) it’s really good. 4 ___________ (you / like) it?
B: Yes, but Barry 5 ___________ (not / enjoy) it very much. How about you? What 6 ___________ (you / do) yesterday?
A: We 7 ___________ (go) to the World Music Festival in the park. But when we 8 ___________ (get) there, one of my favourite bands 9 ___________ (already / play) their last song.
B: What a shame!

1 год назад

Предмет: Литература, автор: adelina20100

Король лір. Чи є якась
закономірність у тому, що короля вигнали ті дочки, відповіді яких йому
сподобалися?

1 год назад

Предмет: География, автор: conya54389

За кількістю жителів великими містами в Україні вважають: а)50-100 тис. Осіб б)100-500 тис.осіб в)понад 1 млн.осіб г)500 тис.-1млн.осіб

7 лет назад

Предмет: Химия, автор: Kristina2013k

У воді масою 180г розчинили 20г солі масова частка солі в отриманому розчині становить

7 лет назад