Question

Daca x/9 = 5/3 atunci x =...

Answer 1

x = 5*9 / 3 
x = 45 / 3
x = 15

Answer 2

$\frac{x}{9}=\frac{5}{3} \\ 3x=9 \cdot 5 \\ 3x=45 \\ x=\frac{45}{3} \\ \boxed{\bold{x=15}}$