Question

$\frac{9}{x} \frac{18}{4 \: } \: qual \: o \: valor \: de \: x$
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Answer 1

$\mathsf{\dfrac{9}{x}=\dfrac{18}{4}}\\\mathsf{18x=36}\\\mathsf{x=\dfrac{36}{18}}\\\huge\boxed{\boxed{\boxed{\boxed{\mathsf{x=2}}}}}$

Answer 2

Resposta:

x = 2

Explicação passo-a-passo:

9/x = 18/4 (:2)/(:2)

9/x = 9/2

9.2 = 9.x

18= 9x

9x = 18

x = 18/9

x = 2