Предмет: Математика, автор: Потлог1

сумма равна 14 ,и первое число на 2 больше утроенного второго

Ответы

Автор ответа: vladimirng72
0

Уравнение : 

х-меньшее число 

х+2 - большее число 

 

х+(х+2)=14 

х+х+2=14

2х+2=14 

2х=14-2 

2х=12 

х=6      6+2=8 

 

Проверка 6+8=14 

Ответ : 6 и 8 

Похожие вопросы
Предмет: Английский язык, автор: razanovtimoha5
Умоляю прорешайте как можно быстрее дам 40 балов

Compare yourself with your friend or relative

I am (not) as … as … .

I am much …than … .

We look like … .

My hair is (not) as … as … … .

My eyes are (not) as … as … … .

I look like … .

… looks like… .



3. Put the verbs into the Present Simple or Present Continuous.

He always ____________ (help) his dad.

Now he ____________ (help) him to wash the car.

On Monday Steve usually ____________(watch) a video with Tim.

My mother often _______________(go) to the theatre.

Steve and Mike _________________(take) photos at the zoon now.

Linda ____________(ride) a horse in the club every Wednesday.

She ____________(chat) even now.

I think Sue ______________(look) like a real class president.

Listen! The girl __________ (play) the violin.

4. Match the question with the answer in the dialogue

Where do you live Susan?
Yes, of course.

How big is it?

Not very big. It's a two-room flat.

And a kitchen and a bathroom?

No, it's quite cheap, really.

And what about the rooms? Are they big?

Well, there's a lot of traffic to the street outside, so it's a bit noisy.

Is it expensive?

I'd like to have a small cottage near the sea with an orange tree in the garden.

And are you happy there?

In a flat, near my office.

Oh, what's wrong with it then?

No, it's also a bit cold there, the heating isn't very good.

Is that all?

The living-room is, but the bedroom is a bit small. But it's O.K.

Where would you really like to live?

Yes, I am, but it isn't perfect, you know.

Oh, dear, what a sweet dream.

5. Fill in the blanks with words: cold, to get better, earache, consult a doctor, headache, have a medical check

You must ________________.

How much time does it take you __________?

Do you often catch a ______?

You should _____________.

I have a ____________ and ______________.

6. Put the verbs into the Present Perfect or Past Simple.

______ you ever ______ (cook) healthy breakfast?

When _____ you______(go) there?

Ann __________(win) the lottery last year.

My mother____________ (prepare / already) supper.

Mike_________ (find) your notebook at school yesterday.

She_________ (come / just) home.

My father __________ (buy) his car five years ago.

Jack___________ (arrive / not) yet.

My friend________ (visit / not) me last week.

__________(you / be) at home last night?

7. What are they?

Who repairs cars? - _____________.

Who drives a taxi? - _____________.

Who is the guy who catches criminals? - _____________.

Who makes bread? - _____________ .

Who works in a newspaper? - _____________ .

Who writes novels? - _____________ .