Question

calcule o valor de x, na proporção 2/3=8/x​

Answer 1

$\frac{2}{3} = \frac{8}{x} \\ 2 \times x = 3 \times 8 \\ 2x = 24 \\ x = \frac{24}{2} \\ x = 12$

Answer 2

Resposta:

x-2/3=8/6

x=8/6+2/3

18x/18=24/18+12/18

18x=36

x=36/18

x=2