![](https://rs.olm.vn/images/avt/0.png?1311)
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\Leftrightarrow\left(19x+50\right):14=5^2-4^2=9\)
=>19x+50=126
=>x=4
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
(19x+2.5^2):14=(13-8)^2-4^2
(19x+2.25):14=5^2-16
(19x+50):14=25-16
(19x+50):14=9
19x+50=126
19x=76
x=4
(19x+2.5^2):14=(13-8)^2-4^2
=>(19x+2.25):14=5^2-4^2
=>(19x+50):14=(5-4).(5+4)
=>19x+50=1.9.14=126
=>19x=126-50=76
=>x=76:19=4
k nha
![](https://rs.olm.vn/images/avt/0.png?1311)
( 19x + 2.52 ) : 14 = ( 13 - 8 )2- 4 2
( 19x + 2.52 ) : 14 = 52- 4 2
( 19x + 2.52 ) : 14 = 25- 16
( 19x + 2.52 ) : 14 =9
( 19x + 50 ) : 14 =9
19x + 50=9 . 14
19x + 50=126
19x=126-50
19x=76
x=76:19
x=4
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
( 19x + 2.52 ) : 14 = ( 13 - 8 )2- 4 2
( 19x + 2.52 ) : 14 = 52- 4 2
( 19x + 2.52 ) : 14 = 25- 16
( 19x + 2.52 ) : 14 =9
( 19x + 50 ) : 14 =9
19x + 50=9 . 14
19x + 50=126
19x=126-50
19x=76
x=76:19
x=4
(19x + 2.5²) : 14 = (13 - 8)² - 4²
(19x + 2.25) : 14 = 5² - 16
(19x + 50) : 14 = 25 - 16
(19x + 50) : 14 = 9
19x + 50 = 9 . 14
19x + 50 = 126
19x = 126 - 50
19x = 76
x = 76 : 19
x = 4
![](https://rs.olm.vn/images/avt/0.png?1311)
(19x + 2 . 52) : 14 = (13 - 8)2 - 42
(19x + 50) : 14 = (13 - 8)2 - 42 = 25 - 16 = 9
19x + 50 = 9 . 14 = 126
19x = 126 - 50 = 76
x = 76 : 19 = 4
Chúc bạn học tốt!!!!!
(19x + 2 . 52 ) = (13 - 8)2 - 42
(19x + 2 . 25) = 52 -16
19x + 50 = 25 - 16
19x + 50 = 9
19x = 9 - 50 = -41
x = -41 : 19
x = \(-\frac{41}{19}\)
(19x + 2.52) = (13-8)2-42
19x + 50 = 25 - 16
19x + 50 = 9
19x = -41
x = -41/19