Question

Найдите, чему равно отношение x/y, если x-1=3y-5/5

Answer 1

$x - 1 = 3y - \frac{5}{5} \\ x = 3y - 1 + 1 \\ x = 3y \\ \frac{x}{y} = 3$

Answer 2

x-1=3y-5/5

x=3y+1-5/5

x=(15y+5-5)/5=15y/5=3y

x/y = 3y/y = 3