Question

a/27=-5/9=-45/b

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Answer 1

\(\dfrac{a}{27}=\dfrac{-45}{b}=\dfrac{-5}{9}\)

\(\Leftrightarrow\left\{{}\begin{matrix}a=\dfrac{-5}{9}\cdot27=-15\\b=\dfrac{-45\cdot9}{-5}=81\end{matrix}\right.\)

Answer 2

\(\Rightarrow\left\{{}\begin{matrix}a=\dfrac{27.-5}{9}=-15\\b=\dfrac{-45.9}{-5}=81\end{matrix}\right.\)