`4(18-5x)-12(3x-7)=15(2x-16)-6(x+14)`
`<=>72-20x-36x+84=30x-240-6x-84`
`<=>156-56x=24x-324`
`<=>-56x-24x=-324-156`
`<=>-80x=-480`
`<=>x=6`
Vậy `x=6` là nghiệm của phương trình.
Đáp án:`S={6}.`
Giải thích các bước giải:
`<=>156-56x=24x-304`
`<=>24x+56x=156+304`
`<=>80x=480`
Vậy `S={6}.`
Nhờ mọi người giúp mình bài này với
TASK 4: Exercises - day and month .............. the first of November. .............. the third of January. .............. the tenth of August. .............. the second of February. .............. the twenty-sixth of June.
Tỉ số của cặp đoạn thẳng AB=150mm, CD=9cm là:
mình cần gấp huuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
Exercise 2: dien a,an,the,of 1. English is spoken all over ________ world. 2. ________ deaf are unable to hear anything. 3. I like studying ________ Maths best. 4. People all over the world like ________ football. 5. ________ tea is produced in Thai Nguyen. 6. I wish today were on ________ Sunday. 7. I often have ________ breakfast at 6:00 pm and ________ lunch at 11:00 pm. 8. She gave me ________ apple and gave Lan 2 ________ apples. 9. ________ Smiths are going to Halong Bay next summer. 10. If I won the lottery, first I would buy ________ piece of land in the country. 11. This morning I bought a newspaper and ________ magazine. ________ newspaper is in my bag but I. don't know where I put ________ magazine. 12. ________ Wayle is ________ small river that cuts across ________ park near my house. 13. Maria comes from ________ United States. She is ________ American girl. 14. The boy said: " ________ Moon is bigger than ________ Earth." 15. I bought ________ car last week. ________ car is over there. 16. I need ________ few apples but ________ lot of suggar. 17. Where is ________ nearest shop? There is one at ________ end of this street. 18. There are 2 cars parked outside: ________ blue one and ________ grey one. ________ blue one belongs to my neighbours and I don't know who ________ owner of ________ grey one is. 19 My friends live in ________ old house in ________ small village. There is ________ beautiful garden behind ________ house. I would like to have ________ garden like that. 20. What did you eat for ________ breakfast this morning?
_____ old are you, Peter? -I______10 A)What/is B) What/am C)How/are D)How/is Chọn đáp án là đc nhanh
mong các bạn giúp mình vốt 5 sao
vẽ mầm NL: ninja việt nam lên tầm cao mới r bye ninja nhật bản nhé
Giúp mik giải bài này vs ạ mik đánh giá 5 ⭐️
Nhờ các bạn giúp mình bài này với
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