Tim x,y,z : 3(x-1)=2(y-2),4(y-2)=3(z-3) va 2x+3y-z=50
tim x ,y,z
3(x-1)=2(y-2) va 4(y-2)=3(z-3) va 2x=3y-z=50
tim x,y,z biet
x+1/2 = y-2/3 = z-3/4 va 2x + 3y - z = 50
a, x/5=y/3 và 5x-3y=8
b, x/3=y/4 ; y/5 = z/7 va 2x+ 3y-z=124
c, 3x=2y ; 7y=5z va x-y+z=32
đ, 2x/3=3y/4=4z/5 và x+y+z=49
e, 2x=3y=5z va x+y-z=95
f, x-1/2=y-2/3=z-3/4 va 2x+3y-z=50
Tim x, y , z
\(\frac{x-1}{2}=\frac{y-2}{3}=\frac{z-3}{4}\) va 2x+3y-z=50
Tim x+y+z = ? biet (x-1) /2= (y-2) /3 = (z-3) /4 va 2x+3y-z=95
Tim x,y,z:
\(\frac{x-1}{2}\)=\(\frac{y-2}{3}\)=\(\frac{z-3}{4}\)va 2x+3y-z=503x=2y ; 7y=5z va x-y+z=32
x-1/2=y-2/3=z-3/4 va 2x+3y-z=50
Cho ba số x;y;z thoa man: x-1/2=y-2/3=z-3/4
va 2x+3y-z=50
tìm x;y;z
