Question

-2÷(×-3)=18......... ​

Answer 1

$\mathsf{-\dfrac{2}{x-3}=18}\\\mathsf{18(x-3)=-2}\\\mathsf{18x-54=-2}\\\mathsf{18x=54-2}$

$\mathsf{18x=52}\\\mathsf{x=\dfrac{52\div2}{18\div2}}\\\large\boxed{\boxed{\boxed{\mathsf{x=\dfrac{26}{9}}}}}$