Các câu hỏi tương tự
tim x biet
|x+1|+|3x+2|=3x
|x-2|+4|x+1|=x-3
Tim x,y,z biet (x-1)/2= (y+3)/4 =(z-5)/6 va 5z-3x-4y
tim x biet /x^2+/3x-1//=x^2+7
tim x biet /3x-2/-x>1
help: tim x biet: | x+1| +|2x-3|=|3x-2|
tim x biet -3x/4.(1/x+2/7)=0
Tim x biet:
(3/4x + 5) - (2/3x - 4) - (1/6x + 1) = (1/3x + 4) - (1/3x - 3)
Tim x biet: (3/4x+5)-(2/3x-4)-(1/6x+1)=(1/3+4)-(1/3x-3)
tim x biet:
a./3x-2/=x
b. /x-2/=2x+1