cho x thoa man :-x - \(\frac{-3}{4}\) =\(\frac{-8}{11}\). Khi do 11x =.........(Nhap ket qua duoi dang so thap phan)
tim so nguyen x,y thoa man mot trong cac dieu kien sau
a,37+(13-/2x+7/)=630*(914.415)
b,(x-7).(x+3)<0
c,xy+3x-2y=11
tim x thoa man |4-x|+2x=3
Biet x;y;z thoa man x-1/2=y-2/3=x-3/4 va x-2y+3x=-10. Khi do x+y+z =?
cho x,y,z thoa man x/2=2y/3=3z/4 va x-y=15. khi do x-y-z la
tim so tu nhien x thoa man 3^x+4^x=5^x
tim x,y thoa man:/x-1/+/x-2/+/y-3/+/x-4/=3
biet x;y;z thoa man: (x-1)/2 = (y-2)/3 = (z-3)/4 va x-2y+3z = -10
khi do x+y+z = ?
tim cap so nguyen x,y thoa man: |x+4|+|y-2|=3
