Răspuns :
2x / 3y = 1 / 2
2x * 2 = 3y * 1
4x = 3y
x = 3y / 4
x / y = ( 3y / 4) / y = 3y / 4y = 3/4
2x * 2 = 3y * 1
4x = 3y
x = 3y / 4
x / y = ( 3y / 4) / y = 3y / 4y = 3/4
[tex] \frac{2x}{3y} = \frac{1}{2} \\
4x=3y=\ \textgreater \ \frac{x}{y} = \frac{3}{4} [/tex]