x - \(\frac{9}{5}\)= 2.x
x + \(\frac{-9}{5}\)= 2.x
x - x + \(\frac{-9}{5}\)= 2.x - x
\(\frac{-9}{5}\)= x
Bài làm
\(x-\frac{9}{5}=2x\Leftrightarrow-x=\frac{9}{5}\Leftrightarrow x=-\frac{9}{5}\)
@Hoc tot@
Tìm x:x³-9/16*x=0 giupa mk vs ạ mk cần gấp
MOI NGUOI GIUP MK GIAI BAI NAY NHA.
TIM X, BIET
a. x-1 chia het cho x-3 (x-1 : x-3)
b. x+6 chia het cho x-1 (x-6 : x-1)
c. x chia het cho x-5 (x:x-5) MK HUA SE TICK CHO AI GIAI DUNG@@@@@
Giup mk vs mk sap phai nop roi
\(\left(2\times x-y\right)^5+\left(2\times y-8\right)^{2014}=0\).Tim x,y
GIUP MK CAU NAY VS
a. Tim chu so a va so tu nhien x sao cho (12 +3x)2 = 1a96
b. Tinh gia tri bieu thuc : S= 9+99+999+9999+....+99..99(2017 so 9)
gia tri tuyet doi cua 3x-2 tat ca +5=-x+9
Tim x ,giup mk nhaCam on moi nguoi!
Các bn giup mk vs. Mk dag can gap
Tim x€Z biết:
-12.(x-5)+7.(3-x)=5
Ai nhanh,đung minh tick cho
Tim n
a. 27 - 5n chia het cho n
b. n+8 chia het cho n+ 3
c. 2n + 3 chia het cho n- 2
d. 2n + 9 chia het cho n+1
Giup mk vs mk cam on nhieu
Mk dang can gap
tim so tu nhien nho nhat khi chia 3 du 1 , chia 5 du 3 , chia 7 du 5
giup mk giai vs nha
tim n thuoc N để A thuoc z:
A=3n+2/n+1
B=6.n/n-1+3n-2/n-1-5/n-1
(giup mk vs nhanh len nha)
