Question

Observe, atentamente a figura abaixo e determine o valor de x. *

5 pontos



x = 15

x = 21

x = 18

x = 12

x = 9



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Answer 1

$\boxed{\begin{array}{l}\sf\dfrac{x-12}{\diagdown\!\!\!\!\!\!12_3}=\dfrac{2}{\diagdown\!\!\!\!\!\!8_2}\\\sf\dfrac{x-12}{3}=1\\\sf x-12=3\\\sf x=3+12\\\sf x=15\end{array}}$