Question

x/2=12/13 ajudem por favor

Answer 1

usa-se regra de 3 e multiplica cruzado

x.13=2.12
13x=24
x=24/13
x=1,84

Answer 2

$\frac{x}{2} = \frac{12}{13} \\ x \times 13 = 2 \times 12 \\ 13x = 24 \\ x = \frac{24}{13}$