Решите уравнение 5 * (х+5)-(3-2х)=1 - №18958909

Решите уравнение 5 * (х+5)-(3-2х)=1
- Предмет:
  Математика
- Автор:
  minaw37u
- 5 лет назад

Ответы 2

5 * (х+5)-(3-2х)=15х+25-3+2х=17х=-21х=-21/7х=-3
- Автор:
  tuffyuonr
- 5 лет назад
- 0
5*(x+5) = 5x+255x+25-3-2x = 15x-2x = 3x25-3=223x=22 - 13x = 213x/3 = 21/3x = 7
- Автор:
  denisseibnq
- 5 лет назад
- 0
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Put the verbs in brackets into the correct forms. Note that sometimes a bare infinitive will be required.

1 I was lonely at first,'the old man admitted,'but after a time Igot used to (live) alone and even got (like) it.'

2 Before trains were invented people used (travel) on horseback or in stage coaches. It used (take) a stage coach three days (go) from London to Bath.

3 I meant (buy) an evening paper but I .didn't see anyone (sell) them.

4 Tom: I want (catch) the 7 a.m.train tomorrow.
Ann: But that means (get) up at 6.00; and you're not very good at (get) up early, are you?

5 He accepted the cut in salary without complaint because he was afraid (complain). He was afraid of (lose) his job.

6 She remembers part of her childhood quite clearly. She remembers (go) to school for the first time and (be) frightened and (put) her finger in her mouth. And she remembers her teacher (tell) her(take) it out.

7 Did you remember (lock) the car? ~
No, I didn't. I'd better (go) back and (do) it now.

8 No, I didn't move the bomb. I was afraid (touch) it; I was afraid of (be) blown to pieces!

9 Next time we go (house-hunt), remember (ask) the agent for clear directions. I wasted hours (look) for the last house.

10 Tom: Let's (go) for a swim.

Ann: I'm not particularly keen on (swim). What about (go) for a drive instead?

11The hunters expected (be paid) by the foot for the snakes they caught. This meant (take) the snakes out of the sack and (measure them. They seemed (expect) me (do) it; but I wasn't particularly anxious (be) the first (die) of snakebite.

12 After (spend) two days (argue) about where to go for their holiday they decided

(not go) anywhere.

13 He is talking about (give) up his job and (go) (live) in the country.

14 I was just about (leave) the office when the phone rang. It was my wife; she wanted me (call) at the butcher's on my way home.

15He said, 'I'm terribly sorry to (keep) you (wait).'
I said,It doesn't matter at all,'but he went on (apologize) for nearly five minutes!

16 The lecturer began by (tell) us where the island was, and went on (talk) about its history.

17 My father thinks I am not capable of (earn) my own living, but I mean (show) him that he is wrong.

18 Tom: I can't get my car (start) on cold mornings.
Jack: Have you tried (fill) the radiator with hot water? That sometimes helps.

19 Did he manage (carry) the trunk upstairs? ~
No, he didn't. He isn't strong enough (move) it, let alone (carry) it upstairs.

20 Jack: Don't forget (take) a hacksaw with you.
Ann: What's a hacksaw? And why should I (take) one with me?
Jack: It's a tool for (cut) metal. You see, Tom is bound (get) into trouble for (take) photographs of the wrong things, and you'll be arrested with him. With a hacksaw you'll be able (saw) through the bars of your cell and (escape).

21 Peter: Wouldn't it be better (ask) Tom (leave) his camera at home?
Jack: It would be no good (ask) Tom (do) that. It would be like (ask) a woman (travel) without a handbag.

22 I've got the loaf; now I'm looking for a breadknife(cut) it with. ~
I saw Paul (sharpen) a pencil with the breadknife a minute ago.

23 We stopped once (buy) petrol and then we stopped again (ask) someone the way.

24 When I caught them (cheat) me, I stopped (buy) petrol there and started (deal) with your garage instead.

25 Do you feel like (dine) out or would you rather (have) dinner at home? ~
I'd like (go) out. I always enjoy (have) dinner in a restaurant.

26 Your hair needs (cut). You'd better (have) it done tomorrow—unless you'd like me (have) a go at it for you.

27 I tried (convince) him that I was perfectly capable of (manage) on my own, but he insisted on (help) me.

28 Jack: I don't mind (travel) by bus, but I hate (stand) in queues.
Tom: I don't care for (queue) either; and you waste so much time (wait) for buses.

I think it's better (go) by tube, or taxi.

29 He took to (follow) me about and (criticize) my work till I threatened (hit) him.

30 I have (stay) here; I'm on duty. But you needn't (wait); you're free (go) whenever you like.

31 In Animal Farmthe old pig urged the animals (rebel) against man but he warned them (not adopt) man's habits.

32 There is no point in (arrive) half an hour early. We'd only have (wait). ~
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33 I always try (come) in quietly but they always hear me (go) upstairs.
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34 If you agree (work) for me I'll see about (get) you a work permit.

35 We'd better (start)early. We don't want (risk) (get) caught in a traffic jam.

36 He suggested (call) a meeting and (let) the workers (decide) the matter themselves.
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