=>1/2-5/3+x-1/2=2-|5/3-1/4|
=>x-5/3=2-17/12=7/12
=>x=7/12+5/3=9/4
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Chương I : Số hữu tỉ. Số thực
Các câu hỏi tương tự
TÌM X, BIẾT:
a) 3 . ( 1/2 - x ) + 1/3 = 7/6 - x
b) 4 . ( 1/2 - x ) - 5 . ( x - 3/10 ) = 7/4
c) -3/2 . ( 4/5 - 2/3 ) + x = 4 . ( x - 1/2 )
d) 2 . ( 3/2 - x ) - 1/3 = 7x - 1/4
e) 1/5 . ( -3/5 -10 ) + 5x = x - 2/3
f) -3/2 . ( 5 - 1/6 ) + 4 . ( x - 1/2 ) = 1
~ PLEASE HELP ME ~
Tìm x,biết
1) 1 7/9:2 2/3=2 2/3:x
2)1 2/3:x/4=6:0,3.
3) x-3/x-2=4/7
4) |x|+3,5=0
5)|x+1/3|-4=1
tìm x biết
a) dfrac{1}{2}x+2dfrac{1}{2}3dfrac{1}{2}x-dfrac{3}{4}
b) dfrac{2}{3}x-dfrac{2}{5}dfrac{1}{2}x-dfrac{1}{3}
c) dfrac{1}{3}x+dfrac{2}{5}left(x+1right)0
d) dfrac{2}{3}-dfrac{1}{3}left(x-dfrac{3}{2}right)-dfrac{1}{2}left(2x+1right)5
e) dfrac{x+2015}{5}+dfrac{x+2016}{4}dfrac{x+2017}{3}+dfrac{x+2018}{2}
Đọc tiếp
tìm x biết
a) \(\dfrac{1}{2}x+2\dfrac{1}{2}=3\dfrac{1}{2}x-\dfrac{3}{4}\)
b) \(\dfrac{2}{3}x-\dfrac{2}{5}=\dfrac{1}{2}x-\dfrac{1}{3}\)
c) \(\dfrac{1}{3}x+\dfrac{2}{5}\left(x+1\right)=0\)
d) \(\dfrac{2}{3}-\dfrac{1}{3}\left(x-\dfrac{3}{2}\right)-\dfrac{1}{2}\left(2x+1\right)=5\)
e) \(\dfrac{x+2015}{5}+\dfrac{x+2016}{4}=\dfrac{x+2017}{3}+\dfrac{x+2018}{2}\)
1,dfrac{3}{16}- ( x - dfrac{5}{4} ) - ( dfrac{3}{4} + dfrac{-7}{8} - 1 ) 2dfrac{1}{2}2,dfrac{1}{2} . ( dfrac{1}{6} - dfrac{9}{10} ) dfrac{1}{5} - x + ( dfrac{1}{15} - dfrac{-1}{5} )Giúp mik nhanh với ạ
Đọc tiếp
1,\(\dfrac{3}{16}\)- ( x - \(\dfrac{5}{4}\) ) - ( \(\dfrac{3}{4}\) + \(\dfrac{-7}{8}\) - 1 ) = \(2\dfrac{1}{2}\)
2,\(\dfrac{1}{2}\) . ( \(\dfrac{1}{6}\) - \(\dfrac{9}{10}\) ) = \(\dfrac{1}{5}\) - x + ( \(\dfrac{1}{15}\) - \(\dfrac{-1}{5}\) )
Giúp mik nhanh với ạ
Tìm số hữu tỉ x: biết
a) -5x+1/2=2/3
b) 1/-5-2/3+một1/2.x=1/2
c) 2(1/4-3x)=1/5-4x
d) -5/2-3(1/3-x) =1/4-7x
Giúp t với.. Help me... Huhuhuhuhu 😣😣😣😣😣😣😣
a) 11/12-(2/5+x)=2/3 b) 2x.(x-1/7)=0 c) 3/4+1/4:x=-2/5
a)1/2x+3/5x=-33/22
b) (2/3x -4/7).(1/2+-3/7:x)=0
c) (4/5-2x).(1/3+3/5:x)=0
3/2 . x + 3/7 = -4/5
-11/12 . x + 0.25 =5/6
(x - 2)2 =1
(2x - 1)3 = -8
Tim x,y:
|x-4|+3|3x-2|-2|2-x|=x+1
||2x-3|-3/4|=5/6
|1/2-|3-x||=2x-1
|x-2007|+2004|y-2008|\(\le\)0
3|x-2y|+4|y+1/2|=0