$\frac{-1}{2}$ =$\frac{x-1}{6}$
⇒ (x-1).2=-1.6 (x-1).2= -6 x -1 = -3 x = -3+1 x =-2 vậy x = -2
Đáp án:
x = -2
Giải thích các bước giải:
$\frac{-1}{2}$ = $\frac{x-1}{6}$
⇒ (-1) . 6 = 2 . (x-1)
⇒ -6 = 2.x - 2.1
⇒ -6 = 2.x - 2
⇒ -6 + 2 = 2x
⇒ -4 = 2x
⇒ -2 = x
TÌM SỐ TỰ NHIÊN a NHỎ NHẤT SAO CHO KHI CHIA a CHO 6/7 VÀ CHIA a CHO 10/11 TA ĐỀU ĐƯỢC KẾT QUẢ LÀ SỐ TỰ NHIÊN
"As of 2003, the district has an estimated 'population' of 15,493 and a 'density' of 2,595.14 persons per km². The total area is 5.97 km²." nghĩa là gì?
(cho mình xin thêm câu giải thích cho mỗi câu nhé! cám ơn!) 13. Do you often send ............to your friends? A. greetings christmas ; B. greetings christmas ; C. christmas greeting ; D. christmas greetings 14. The report shows..... .........the rice-cooking festival was held A. what ; B. in what ; C. how ; D. which 15. She said that she ................ swimming in the sea in the fall A. has like ' B. likes ; C. liked ; D. was liking 16. The leader said that he ...................... to award the prize to you A. is pleasing ; B. was pleasing ; C. is pleased ; D. was pleased 17. Christmas songs ................ for people eight hundred years ago A. are performed ; B. performed ; C. perform ; D. were performed 18. He said that he would come to see me.............. A. the day next ; B. the following day ; C. the next day ; D. B or C 19. She asked me .............I enjoyed myself A. did ; B. if ; C. have ; D. do 20. The contest .............. since 2.00 p.m A. finished ; B. has finished ; C. has been finished ; D. was finished 21. He .............. late last week A. always gets up ; B. was always getting up ; C. was getting 22. We go out............... A. on christmas ; B. at christmas day ; C. in christmas ; D. on christmas day 23. The bicycle........... in Vietnam is very cheap A. making ; B. is made ; C. was made ; D. made 24. You should .............sure that you are good students A. do ; B. make ; C. be made ' D. be done
*is a 'district' located in Kyoto Prefecture, Japan." nghĩa là gì?
Vẽ chibi cute hoặc ngầu nha hóng tranh của chị ly và chị luộc ghê á❤❤❤❤❤
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