\(\frac{2}{x}=\frac{3}{y}\)
=> 2y=3x
=> 2.\(\frac{96}{x}\)= 3x
=> \(\frac{192}{x}=3x\)
=> \(\frac{192}{3}=x^2\)
=> \(x^2=64\)
=> \(\orbr{\begin{cases}x=8\\x=-8\end{cases}}\)
Với x=8 thì y =12
Với x= -8 thì y= -12
Chúc bạn học giỏi
Tim cac so nguyen x,y biet
a)\(\frac{x-3}{y-2}\)=\(\frac{3}{2}\)va x - y = 4
b)\(\frac{x+3}{y-1}\)=\(\frac{3}{4}\)va x + y = 5
Tim cac so nguyen x,y biet
\(\frac{x-3}{y-2}=\frac{3}{2}\) va x - y = 4
Tim cac so nguyen x,y biet
a) \(\frac{x}{4}=\frac{y}{7}\)va \(x-y=9\)
b) \(\frac{x}{2}=\frac{y}{5}\)va 3x - y =5
Tim cac so nguyen x,y biet
\(\frac{x+3}{y-1}\) =\(\frac{3}{4}\)va x + y = 5
Tim cac os nguyen x,y biet
a)\(\frac{x}{3}\) =\(\frac{y}{5}\)
b)\(\frac{x+3}{y-1}\) =\(\frac{3}{4}\) va x + y = 5
tim so nguyen x va y biet \(\frac{3}{x}=\frac{y}{35}=\frac{-36}{84}\) rat cam on khi ban nao giai dc
cho cac so nguyen x;Y thuoc tap hop
{-35;-34;...;28}
tim:
a, GT lon nhat va nho nhat sua x-y
b, GT lon nhat va nho nhat cua XxY
Tim cac so nguyen x,y biet
\(\frac{x}{4}=\frac{y}{7}va-y=9\)
1)tim x biet
\(\frac{x-2}{-3}\)=\(\frac{25}{15}\)
2)tim x thuoc Z
\(\frac{x-1}{4}\) =\(\frac{8}{3}\)
3)tim x y thuoc Z biet
\(\frac{x}{7}\)=\(\frac{9}{y}\) va x>y
