\(D=\dfrac{1}{2}\left|x-1\right|+3\ge3\forall x\)
Dấu '='xảy ra khi x=1
\(D=\dfrac{1}{2}\left|x-1\right|+3\ge3\forall x\)
Dấu '='xảy ra khi x=1
Tìm x biết
a, l x+2 l + l2x-3l =5
b, 3.(2x-1) - lx-5l =7
c, l 2x-1l - 2x =3
d, 3x - l 2-3xl = 2
e, lx-4l + lx+5l =9
Đang cần gấp nhớ m.n giúp đỡ ạ
tìm x,y thuộc Z:
lx-1l+lx-2l+lx-3l=2-y^2
lx+1l+3y^2=5
l2x+1l + lx+3l=5x
Tìm x????
Tìm x biết:
lx-2l+lx+1l=x+4
tìm x biết:
a,lx-3l+x=7
b, lx-3l-l2x-1l=x
a) |x-1/3|=11/5 b)2|2x-3|=1/2
c)2|3x-1|+1=5 d)3/2+4/5|x-3/4|=7/4
e)|2x-5|=4 f)|x/2-1|=3
a)|-x+2/5|+1/2=3,5 b)21/5+3:|x/4-2/3|=6
c)7,5-3|5-2x|=-4,5 d)1/3-|5/4-2x|=1/4
e)21/5+3:|x/4-2/3|=6
a)|-x+2/5|+1/2=3,5 b)21/5+3:|x/4-2/3|=6
c)7,5-3|5-2x|=-4,5 d)1/3-|5/4-2x|=1/4
e)21/5+3:|x/4-2/3|=6
Tìm x biết
a, | 1/2 × x - 3 | = 1/2
b, | 3× x + 1/5 | - 1/3 = 2/3
c, |3× x - 1/5 | + | 15× x - 1 |= 6/2
d, | 1/2 × x - 3 | < 1/2
e, | 3× x - 4/5 | > 1/3