Question

calcule o valor de x nas proporçoes
8/12 =x/3

Answer 1

$\frac{8}{12}=\frac{x}{3} \rightarrow \boxed{x=\frac{8.3}{12}=\frac{24}{12}=2}$

Answer 2

 8    =   x 
12        3
12x = 8 * 3
12x = 24
x = 24 : 12
x = 2