Các câu hỏi tương tự
Tim xthuoc Z biet:
1,|2x-5|-|2x+9|=0
2,|x+1|-|x+2|-|3-x|=7
3,|2x+3|+|3x+2|-|4-x|=10
tim x , biet :
1 ) 2017 - \ x - 2017 \ = x
2) -1/2 . ( 3x - 1 ) + 3/4 . ( 3-2x) = -3 . ( x/2 - 1 ) - ( 4/5) mu -1
tim x biet:
a./3x-2/=x
b. /x-2/=2x+1
Tim x , biet : \(A,[3x - 4] = x ; B, [5x -3] = 2x + 1\)
tim x biet
a;\(\frac{3x+2}{5x+7}=\frac{3x-1}{5x+1}\)
b; \(\frac{x+1}{2x+1}=\frac{0,5x+2}{x+3}\)
tim x biet 2x+9/x+2 + 5x+17/ x+3 - 3x/ x+3 ( x thuoc Z)
Tim x biet:
a.|x|+|x+2|=3
b.|3x-5|=|x+2|
c.|2x+3|-4x<9
Tim x biet rang:
a) 4/4^x + 3.4^2-x = 832
b) (3x - 2)^2002 = (3x - 2)^2004
c) /1 - 2x/ + x + 2 = 0
tim x biet /2x-1/-3x=0