Предмет: Математика, автор: nskretneva

Помогите решить уравнения:
3у-(у-19)=2у
6х=1-(4-6х)

Ответы

Автор ответа: tanya2000htv

3у-у+19=2у
2у+19=2у
2у-2у=-19
0=-19
Ответ:нет решения,так как на 0 делить нельзя.
6х=1-4+6х
6х-6х=-3
0=-3
Ответ:нет решения,так как на 0 делить нельзя.

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: ДЖАГХЕД

ПООМОГИТЕЕЕ С АНГЛИЙСКИММ ЗАДАНИЕ 7 (а)
СРОЧНОООО

1 год назад

Предмет: Русский язык, автор: Amilylyjlbbmgvv

Задайте 3 вопроса о домашнем животном.
Например: какого оно цвета и т.д.

1 год назад

Предмет: Английский язык, автор: vipslasher11

Exercise 1.

Match the beginning of the sentence (1-8) with the ending (a-h).

1) He was very proud when

2) He was very jealous when

3) He was very embarrassed when

4) He was very angry when

5) He was very sad when

6) He was very frightened when

7) He was so bored when

8) He felt so guilty when

a) someone stole his money.

b) his father appeared on TV with the Prime Minister.

c) he heard that his aunt had died.

d) he saw those big dogs running towards him.

e) he bought her a birthday present on the wrong day.

f) his best friend went out with the girl he really liked.

g) he had to lie to his parents.

h) girls talked about lipsticks and all that stuff.

Exercise 2.

Open the brackets using Past Simple or Past Continuous.

Father_______ (to watch) TV at ten o'clock yesterday.
I _______ (to go) to bed at nine o'clock yesterday.
I _______ (to finish) my homework at nine o'clock yesterday.
He _______ (to read) a newspaper when I _______ (to come) in.
He _______ (to put) on his coat and cap, _______ (to open) the door and _______ (to go) out.
We _______ (to be) in a hurry because only twenty minutes _______ (to be) left before the beginning of the performance.
When I _______ (to come) to the theatre, my friend already _______ (to wait) for me.
What you _______ (to do) when the accident _______ (to happen)? — I _______ (to walk) out of the hospital.
He _______ (to leave) the bank, when the thieves _______ (to take) his money.
At half past four yesterday we _______ (to have) dinner.

Exercise 3.

Choose the correct variant.

1. This bag doesn't go ____ these shoes.

a) by

b) together

c) with

2. Prices are going _____, as usual.

a) ahead

b) down

c) up

3. The alarm clock went ______ at 5:30.

a) off

b) on

c)out

4. Last week he went ____ with a bad cold.

a) down

b) forward

c) into

5. Don't eat that sandwich; I'm sure it went _______.

a) off

b) on

c) down

Помогите решить уравнения: 3у-(у-19)=2у 6х=1-(4-6х)

Ответы

Помогите решить уравнения:
3у-(у-19)=2у
6х=1-(4-6х)