Предмет: Алгебра, автор: sahavchenko03

3x-1делёное на 2=4x+5 делёная на 3

Ответы

Автор ответа: Аноним
0
( 3X - 1 ) / 2 = ( 4X + 5 ) / 3 
3 * ( 3X - 1 ) = 2 * ( 4X + 5 ) 
9X - 3 = 8X + 10 
9X - 8X = 10 + 3 
X = 13
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Test “Have got / Has got”

1. Write “have got ”or “has hot ” in the sentences (10 marks):

I ………………………………….…….a nice room.
She …………………………………… a cat.
Jack ………………………….……….a pet.
The sisters ……………….…………..great teachers.
He ……………………………………. an old bike.
They ………………………………….a goldfish.
Emma ……………………………….. lots of friends.
We ……………………………………a problem.
Joe and Philip ……………………… a sister.
My uncle …………………………….two cars.

2. Write “haven’t got” or “hasn’t ot” in the sentences (10 marks):

I ………………………………….your T-shirt.
She ………………………………a workbook.
We ………………………………. enough money.
Steve …………………………….a brother.
My brother ………………………. a TV in his room.
They ……………………………...a van.
Mr Jones …………………………a red jacket.
The boys …………………………pink pencil cases.
This car …………………………..five doors.
Tom and Emily …………………........books on their desk.

3. Ask question witn “have got” or “has got” (10 marks):

……………. you ………………….. a favourite singer?
…………….he …………………….. a pen in his pencil case?
…………….they ……………………a garden?
…………….she ……………………..a yellow bike?
…………….your parents ……………a stamp collection?
……………..Ben …………………….. a green felt tip?
……………..your teacher …………….a computer in his room?
…………….. we …………………………. milk at home?
…………..…Anne ………………………… a budgie?
Where ………………..you ………………….. your headphones?