Предмет: Математика, автор: df8759368

Пожалуйста!!!!!
Решите уравнение:
2*(6х+8) -3х=313

Ответы

Автор ответа: bsdfgdsffdss
3

Ответ:

33

Пошаговое объяснение:

2(6x+8)-3x=313

раскроем скобки

12x+16-3x=313

приведем подобные

9x+16=313

9x=313-16

9x=297

x=297/9

x=33


df8759368: Спасибо большое!
nubskiakk0: не зачто
Автор ответа: nubskiakk0
1

Ответ:

12х+16-3х=313

12х-3х=313-16

9х=297

х=33

Похожие вопросы
Предмет: Английский язык, автор: abdima
1.She is ... in her group.

a) shorter b) short c) the shortest

2.You ... Drink milk if you don’t want.

a) cannot b) needn’t c) should

3.The policeman asked if I ... the stranger.

a) saw b) have seen c) had seen

4.Bob asked John ... volley-ball.

a) did he play b) if he had played c) if he played

5.He always meets me at the station but today he ... me near the bus stop.

a) meets b) met c) has met
Из данных слов составить предложения

1./hardly/had/up/when/loudly/phone/and/rang/alarmingly/the/he/got/.
2./words/looking/dictionary/she/me/the/instead/in/kept/difficult/up/them/asking/all/of/the/.
3./hasn’t/he/the/man/seen/since/came/here/he/old/.
4./mustn’t/do/they/the work/must/they/?
5./whether/I/the old man/wonder/sell/to/all/will/his/pictures/John/.

A pleasant Sunday day off almost turned to tragedy for two families at Ladram beach last week-end.

The children in party had asked their parents to let them explore a bay situated at a distance. The parents hesitated but the children promised to be back within an hour. Soon they were climbing up the rocks and shortly afterwards were out of sight. They failed to notice the time passing, until the tide[1] was coming in quickly. Already the water was too deep for them to pass. The eldest of them was a good swimmer. Hi left the children sitting on the rock and swam back to raise the alarm. He struggled bravely in water and rushed to his parents at high speed.

The waves were already round the children’s feet when the parents saved them. Fortunately the alarm came in time.

1.Where was the bay situated?
A)very close
B)rather far
C)near the place, where the party was
2.When did the children promise to return?
A)in an hour
B)very soon
C)less then in an hour
3.Did the parents want the children to go there?
A)yes, they were eager
B)no, they were against it
C)no, they were not sure
4.When did they notice they were late?
A)when the sun began to set
B)when the children became hungry
C)when the sea became stormy
5.What did the elder brother do?
A)he swam back with his brothers
B)he sat on high rock until his parents came
C)he swam back to raise the alarm

Выбрать правильный ответ
1.Tom is away ... the moment.

a) at b) in c) on

2.I’m looking for ... job.

a) a b) an c) the

3.The tourists ... many hours in the mountains.

a) past b) passed c) passed by d)passed out

4.... you aren’t ready for the lesson.
a) As usual b) Usually c) Usual

5.I can give you ... phone number.

a) my b) mine c) myself