\(\left(x+\dfrac{2}{3}\right)-\dfrac{1}{4}=0\Leftrightarrow x+\dfrac{2}{3}=\dfrac{1}{4}\Leftrightarrow x=-\dfrac{5}{12}\)
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2(x+1)-4x=6
3(2-x)+4(5-x)=4
7/3(x-4/3)+2/5(4-1/3x)=0
(x+1)(x-3) =0
nhanh giúp mik nha
a) 5/2 - x + 4/5 = 2/3 + 4/7
b) ( x - 1 ) x ( x + 2 )< 0
c) ( x + 3/5 ) x ( x+ 1 )<0
d) ( x - 1/3 ) x ( x + 2/5 )>0
Bài 1 : tìm x biết
a) ( /x/ - 1/4 ) . ( x2 - 9 ) = 0
b) ( /x/ + 2 ) . ( /x/ - 4 ) = 0
c) ( x2 - 1/4 ) . ( x2 - 1/10 ) = 0
d) ( x + 2 ) . ( x - 3 ) < 0
e) ( x - 1/4 ) . ( x + 1/2 ) > 0
Bài 1 : Tìm x biết
a) ( /x/ - 1/4 ) . ( x2 - 9 ) = 0
b) ( /x/ + 2 ) . ( /x/ - 4 ) = 0
c) ( x2 - 1/4 ) . ( x2 - 1/16 ) = 0
d) ( x + 2 ) . ( x - 3 ) < 0
e) ( x - 1/4 ) . ( x + 1/2 ) > 0
Các bn ơi giúp mình với, ai trả lời nhanh và đúng mìh tick cho:Bài 1: Tìm x biết:1) ( 3x - 2 ) . ( 2x - 2/3) 02) 2/3 + 1/3 : x 3/53) x + 4/2000 + x + 3/2001 + x + 2/2002 + x + 1/20034) x + 4/2015 + x + 3/2016 + x + 2/2017 + x + 1 + 2018 + x + 2015/25) ( 5 - x ) . ( 3x - 1/4 ) 06) ( x + 2/3 ) . ( 1/4 - x ) 07) ( x - 1 ) . ( x - 2 ) / x - 3 08) x . ( x + y + Z ) -3; y . ( x + y + Z ) 4; Z . ( x + y + Z ) 39) xy 9Z; yZ 4x; xZ 16 . y10) xy 2/7; yZ 3/2; Zx 3/711) 5/x + y/4 1/8 với x ....
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Các bn ơi giúp mình với, ai trả lời nhanh và đúng mìh tick cho:
Bài 1: Tìm x biết:
1) ( 3x - 2 ) . ( 2x - 2/3) = 0
2) 2/3 + 1/3 : x = 3/5
3) x + 4/2000 + x + 3/2001 + x + 2/2002 + x + 1/2003
4) x + 4/2015 + x + 3/2016 + x + 2/2017 + x + 1 + 2018 + x + 2015/2
5) ( 5 - x ) . ( 3x - 1/4 ) > 0
6) ( x + 2/3 ) . ( 1/4 - x ) > 0
7) ( x - 1 ) . ( x - 2 ) / x - 3 > 0
8) x . ( x + y + Z ) = -3; y . ( x + y + Z ) = 4; Z . ( x + y + Z ) = 3
9) xy = 9Z; yZ = 4x; xZ = 16 . y
10) xy = 2/7; yZ = 3/2; Zx = 3/7
11) 5/x + y/4 = 1/8 với x . y thuộc Z
Bài 1: Tìm x biết
1) |5x - 3| = |7 - x|
2) 2 |3 x - 1| - 3x = 7
3) |2x + 3| + 4 = -2x
4) |x + 3/4| - 1/3 = 0
5) 1,6 - |x + 1,5| = 0
6) |x - 1,5| + |2,5 - x| = 0
Tìm x
(3^2-2^3)x+3^2.2^2=4^2.3
x^5-x^3=0
(x-1)^2+(-3)^2=5^2.(-1)^100
(2x-1)^2-(2x-1)=0
|x+5|+(3y-4)^2016=0
(5x-y)^2016+|x^2-4|^2017<=0
(2x-1)^2014+(y-2/5)^2016+|x+y+z|=0
|x-1|+|x-2|+|y-3|+|x-4|=3
Tìm x ,y ,z biet :
a, |x+3/4|+|y-1/5|+|x+y+z|=0
b, |3x-4|+|3y-5|=0
c,|x+3/4|+|y-2/5|+|z+1/2| <0
d, |x+1/5|+|3-y|=0
a 2/3-1/3 (x-3/2)-1/2 (2x+1)=5
b (x+1/2). (x-3/4)=0
c 1/3.x+2/5-(x+1)=0