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 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
a) 3x+5-2(x+4)=4x+1/2b)(x+1)(x-1) <0c)(x-2)(x+2/3) >0
Tim x biet
(X+1)×(x+2)<0 x-2/3x+2 <0
(-3+3/x -1/3) ÷ (1+2/3+2/5)=-5/4
tim x biet /x^2+/3x-1//=x^2+7
tim x biet
(2x+4)(3x+1)>0
tim x ,y,z biet : 3x-2y/5=3x-1/4=2y+5/7
tim x biet /3x+4/=2/2x-7/
tim x biet
|x+1|+|3x+2|=3x
|x-2|+4|x+1|=x-3