\(2.\left|2x-3\right|=\frac{1}{2}\)
=> \(\left|2x-3\right|=\frac{1}{4}\)
=> 2x - 3 = + \(\frac{1}{4}\)
+ TH1: 2x - 3 = \(\frac{1}{4}\)
=> 2x = \(\frac{13}{4}\)
=> x = \(\frac{13}{8}\)
+ TH2: 2x - 3 = \(-\frac{1}{4}\)
=> 2x = \(\frac{11}{4}\)
=> x = \(\frac{11}{8}\)
KL: \(x\in\left\{\frac{13}{8};\frac{11}{8}\right\}\)
Gia tri tuyet doi cua am x +1 - 2 nhan gia tri tuyet doi cua x-2 -3 nhan gia tri tuyet doi cua am x+3=4
tim gia tri nho nhat cua:E bang gia tri tuyet doi cua can x tru 7 cong gia tri tuyet doi cua can x tru 5
gia tri tuyet doi cua 2x-1=gia tri tuyet doi cua2x+3
gia tri x<0 thoa man gia tri tuyet doi cua 2x - 1 = 3mu 2 la x=....
gia tri tuyet doi cua x + gia tri tuyet doi cua -x =10
tìm x
Giai giúp minh voi! 1 cau cung duoc ( Abs (x) la tri tuyet doi cua x vi may minh khong go duoc dau tri tuyet doi )
Tim gia tri nho nhat
a Abs(x-1/4) + Abs(x-3/4)
b. Abs(x-1) + Abs(x-2) + Abs(x-5)
Tim x
Abs(x-3/2) + Abs(2,5-x) = 0
Abs(3x-1) = Abs(4-x)
Abs(2x+3) = x+3
tim x : gia tri tuyet doi cua x-7/2x+1 lon hon 2
gia tri tuyet doi x /gia tri tuyet doi y=2/3 biet x^2-y^2=5
gia tri nho nhat cua bieu thuc
gia tri tuyet doi cua y-2015+gia tri tuyet doi cua y-1
neu ca cach lam minh moi tich cho