Question

Tìm x: \(1\dfrac{5}{6}=\dfrac{-x}{5}\)

Answer 1

\(\dfrac{11}{6}=\dfrac{-X}{5}\)

-X=\(\dfrac{11\cdot5}{6}\)

-X=\(\dfrac{55}{6}\)

➩X=\(\dfrac{-55}{6}\)

Answer 2

1\(\dfrac{5}{6}\)= \(\dfrac{-x}{5}\)

\(\dfrac{11}{6}\)= \(\dfrac{-x}{5}\)

11:6 = \(-x\):5

\(-x\) = \(\dfrac{11.5}{6}\)

\(-x\) = \(\dfrac{55}{6}\)

⇔\(-x\) = \(-\left(-\dfrac{55}{6}\right)\)⇔ \(x\) = \(-\dfrac{55}{6}\)

Vậy \(x\) = \(-\dfrac{55}{6}\)